stem: museum city
choice: tiger cat
choice: sit down rest
choice: cat play
choice: take shower dry off
choice: other planet solar system
choice: solar system other planet
choice: library many book
choice: run marathon exhaustion
choice: heart love
choice: refrigerator store food
choice: attend rock concert purchase ticket
choice: horseback ride fun
choice: cup glass
choice: ear head
choice: book sleep
choice: person kill
choice: be sad cry
choice: war opposite of peace
choice: student ask question