| {"stem": ["bright", "brighter"], "answer": 2, "choice": [["faster", "longer"], ["big", "easy"], ["cheap", "cheaper"], ["tasteful", "distasteful"]], "prefix": "gram3-comparative"} | |
| {"stem": ["cool", "cooler"], "answer": 1, "choice": [["amazing", "amazingly"], ["deep", "deeper"], ["long", "hot"], ["lower", "quicker"]], "prefix": "gram3-comparative"} | |
| {"stem": ["large", "larger"], "answer": 1, "choice": [["younger", "weaker"], ["long", "longer"], ["strong", "low"], ["rapid", "rapidly"]], "prefix": "gram3-comparative"} | |
| {"stem": ["informed", "uninformed"], "answer": 0, "choice": [["known", "unknown"], ["unfortunate", "unpleasant"], ["honest", "acceptable"], ["new", "newer"]], "prefix": "gram2-opposite"} | |
| {"stem": ["honest", "dishonest"], "answer": 0, "choice": [["impressive", "unimpressive"], ["tasteful", "aware"], ["unreasonable", "distasteful"], ["pear", "pears"]], "prefix": "gram2-opposite"} | |
| {"stem": ["Belmopan", "Belize"], "answer": 1, "choice": [["Japan", "yen"], ["Berlin", "Germany"], ["Cairo", "Banjul"], ["Laos", "Albania"]], "prefix": "capital-world"} | |
| {"stem": ["Mogadishu", "Somalia"], "answer": 1, "choice": [["Belgium", "Syria"], ["Monrovia", "Liberia"], ["Conakry", "Lisbon"], ["prince", "princess"]], "prefix": "capital-world"} | |
| {"stem": ["Baku", "Azerbaijan"], "answer": 3, "choice": [["Helsinki", "Bratislava"], ["Cambodia", "riel"], ["Ireland", "England"], ["Bamako", "Mali"]], "prefix": "capital-world"} | |
| {"stem": ["Tunis", "Tunisia"], "answer": 2, "choice": [["husband", "wife"], ["Podgorica", "Bishkek"], ["Vaduz", "Liechtenstein"], ["France", "Bhutan"]], "prefix": "capital-world"} | |
| {"stem": ["Vienna", "Austria"], "answer": 3, "choice": [["Hanoi", "Apia"], ["he", "she"], ["Iran", "Cuba"], ["Vientiane", "Laos"]], "prefix": "capital-world"} | |
| {"stem": ["Manila", "Philippines"], "answer": 1, "choice": [["Serbia", "Albania"], ["Maputo", "Mozambique"], ["Bulgaria", "lev"], ["Dublin", "Roseau"]], "prefix": "capital-world"} | |
| {"stem": ["Caracas", "Venezuela"], "answer": 0, "choice": [["Chisinau", "Moldova"], ["nephew", "niece"], ["Philippines", "Eritrea"], ["Khartoum", "Paramaribo"]], "prefix": "capital-world"} | |
| {"stem": ["Lisbon", "Portugal"], "answer": 2, "choice": [["Nigeria", "naira"], ["London", "Stockholm"], ["Ljubljana", "Slovenia"], ["Laos", "Russia"]], "prefix": "capital-world"} | |
| {"stem": ["Riga", "Latvia"], "answer": 2, "choice": [["Tehran", "Amman"], ["Mozambique", "Bulgaria"], ["Rome", "Italy"], ["grandpa", "grandma"]], "prefix": "capital-world"} | |
| {"stem": ["good", "best"], "answer": 2, "choice": [["tallest", "quickest"], ["quick", "wide"], ["great", "greatest"], ["eagle", "eagles"]], "prefix": "gram4-superlative"} | |
| {"stem": ["strong", "strongest"], "answer": 3, "choice": [["fortunate", "fortunately"], ["tall", "great"], ["coolest", "darkest"], ["sweet", "sweetest"]], "prefix": "gram4-superlative"} | |
| {"stem": ["sharp", "sharpest"], "answer": 3, "choice": [["enhancing", "enhanced"], ["lowest", "worst"], ["long", "cold"], ["simple", "simplest"]], "prefix": "gram4-superlative"} | |
| {"stem": ["slowing", "slowed"], "answer": 0, "choice": [["spending", "spent"], ["taking", "enhancing"], ["read", "saw"], ["building", "buildings"]], "prefix": "gram7-past-tense"} | |
| {"stem": ["looking", "looked"], "answer": 0, "choice": [["moving", "moved"], ["new", "newer"], ["said", "flew"], ["decreasing", "screaming"]], "prefix": "gram7-past-tense"} | |
| {"stem": ["going", "went"], "answer": 0, "choice": [["hiding", "hid"], ["thought", "slept"], ["vanishing", "walking"], ["amazing", "amazingly"]], "prefix": "gram7-past-tense"} | |
| {"stem": ["spending", "spent"], "answer": 3, "choice": [["screamed", "jumped"], ["selling", "swimming"], ["listen", "listening"], ["striking", "struck"]], "prefix": "gram7-past-tense"} | |
| {"stem": ["son", "daughter"], "answer": 3, "choice": [["stepsister", "policewoman"], ["Miami", "Florida"], ["man", "king"], ["sons", "daughters"]], "prefix": "family"} | |
| {"stem": ["dad", "mom"], "answer": 0, "choice": [["father", "mother"], ["sons", "grandfather"], ["stepmother", "daughters"], ["Paramaribo", "Suriname"]], "prefix": "family"} | |
| {"stem": ["Denmark", "Danish"], "answer": 3, "choice": [["Austrian", "Brazilian"], ["weak", "weaker"], ["Cambodia", "Switzerland"], ["Egypt", "Egyptian"]], "prefix": "gram6-nationality-adjective"} | |
| {"stem": ["Brazil", "Brazilian"], "answer": 1, "choice": [["Ireland", "Chile"], ["Bulgaria", "Bulgarian"], ["Ukrainian", "Australian"], ["jump", "jumping"]], "prefix": "gram6-nationality-adjective"} | |
| {"stem": ["Japan", "Japanese"], "answer": 1, "choice": [["Germany", "Albania"], ["Korea", "Korean"], ["Argentinean", "English"], ["play", "playing"]], "prefix": "gram6-nationality-adjective"} | |
| {"stem": ["Macedonia", "Macedonian"], "answer": 3, "choice": [["Japanese", "Colombian"], ["Denmark", "Moldova"], ["code", "coding"], ["Malta", "Maltese"]], "prefix": "gram6-nationality-adjective"} | |
| {"stem": ["Anaheim", "California"], "answer": 3, "choice": [["Cleveland", "Memphis"], ["Kentucky", "Arizona"], ["grandpa", "grandma"], ["Honolulu", "Hawaii"]], "prefix": "city-in-state"} | |
| {"stem": ["Cincinnati", "Ohio"], "answer": 0, "choice": [["Anchorage", "Alaska"], ["Hialeah", "Shreveport"], ["he", "she"], ["Alabama", "Indiana"]], "prefix": "city-in-state"} | |
| {"stem": ["Lexington", "Kentucky"], "answer": 2, "choice": [["Nevada", "Nevada"], ["groom", "bride"], ["Stockton", "California"], ["Henderson", "Atlanta"]], "prefix": "city-in-state"} | |
| {"stem": ["Tulsa", "Oklahoma"], "answer": 2, "choice": [["stepson", "stepdaughter"], ["Pittsburgh", "Memphis"], ["Oakland", "California"], ["Nevada", "Wisconsin"]], "prefix": "city-in-state"} | |
| {"stem": ["Irvine", "California"], "answer": 0, "choice": [["Spokane", "Washington"], ["Tacoma", "Akron"], ["Nebraska", "Massachusetts"], ["Hungary", "forint"]], "prefix": "city-in-state"} | |
| {"stem": ["Garland", "Texas"], "answer": 1, "choice": [["Indianapolis", "Cincinnati"], ["Glendale", "Arizona"], ["Armenia", "dram"], ["Michigan", "Georgia"]], "prefix": "city-in-state"} | |
| {"stem": ["Romania", "leu"], "answer": 0, "choice": [["Russia", "ruble"], ["kwanza", "ringgit"], ["Europe", "Ukraine"], ["Havana", "Cuba"]], "prefix": "currency"} | |
| {"stem": ["Poland", "zloty"], "answer": 2, "choice": [["rupee", "lev"], ["Vietnam", "Ukraine"], ["Romania", "leu"], ["Algiers", "Algeria"]], "prefix": "currency"} | |
| {"stem": ["Croatia", "kuna"], "answer": 1, "choice": [["Cambodia", "Sweden"], ["Denmark", "krone"], ["policeman", "policewoman"], ["litas", "won"]], "prefix": "currency"} | |
| {"stem": ["generate", "generates"], "answer": 1, "choice": [["eat", "vanish"], ["go", "goes"], ["enhances", "eats"], ["swift", "swiftly"]], "prefix": "gram9-plural-verbs"} | |
| {"stem": ["play", "plays"], "answer": 0, "choice": [["predict", "predicts"], ["generates", "sees"], ["furious", "furiously"], ["provide", "find"]], "prefix": "gram9-plural-verbs"} | |
| {"stem": ["see", "sees"], "answer": 0, "choice": [["shuffle", "shuffles"], ["says", "eats"], ["enhance", "vanish"], ["old", "older"]], "prefix": "gram9-plural-verbs"} | |
| {"stem": ["rare", "rarely"], "answer": 2, "choice": [["quietly", "unfortunately"], ["precise", "complete"], ["reluctant", "reluctantly"], ["read", "reading"]], "prefix": "gram1-adjective-to-adverb"} | |
| {"stem": ["usual", "usually"], "answer": 1, "choice": [["quick", "serious"], ["amazing", "amazingly"], ["professionally", "safely"], ["Egypt", "Egyptian"]], "prefix": "gram1-adjective-to-adverb"} | |
| {"stem": ["complete", "completely"], "answer": 1, "choice": [["fortunate", "safe"], ["efficient", "efficiently"], ["possibly", "amazingly"], ["invent", "inventing"]], "prefix": "gram1-adjective-to-adverb"} | |
| {"stem": ["Athens", "Greece"], "answer": 1, "choice": [["dad", "mom"], ["Baghdad", "Iraq"], ["Switzerland", "Finland"], ["Cairo", "Madrid"]], "prefix": "capital-common-countries"} | |
| {"stem": ["Hanoi", "Vietnam"], "answer": 2, "choice": [["uncle", "aunt"], ["Thailand", "Afghanistan"], ["Havana", "Cuba"], ["Oslo", "Kabul"]], "prefix": "capital-common-countries"} | |
| {"stem": ["swim", "swimming"], "answer": 1, "choice": [["look", "fly"], ["think", "thinking"], ["describing", "singing"], ["occasional", "occasionally"]], "prefix": "gram5-present-participle"} | |
| {"stem": ["dance", "dancing"], "answer": 2, "choice": [["generating", "flying"], ["enhance", "vanish"], ["debug", "debugging"], ["Colombia", "Colombian"]], "prefix": "gram5-present-participle"} | |
| {"stem": ["code", "coding"], "answer": 2, "choice": [["paying", "paid"], ["inventing", "screaming"], ["dance", "dancing"], ["write", "slow"]], "prefix": "gram5-present-participle"} | |
| {"stem": ["dollar", "dollars"], "answer": 0, "choice": [["donkey", "donkeys"], ["woman", "pear"], ["fingers", "machines"], ["honest", "dishonest"]], "prefix": "gram8-plural"} | |
| {"stem": ["lion", "lions"], "answer": 3, "choice": [["Albania", "Albanian"], ["rats", "women"], ["dollar", "elephant"], ["machine", "machines"]], "prefix": "gram8-plural"} | |
| {"stem": ["machine", "machines"], "answer": 2, "choice": [["see", "sees"], ["pigs", "cows"], ["mango", "mangoes"], ["cat", "donkey"]], "prefix": "gram8-plural"} |