stem: library many book
choice: car expensive
choice: dog chew bone
choice: do some exercise do cool-down
choice: reproduce have child
choice: earth world
choice: parent child
choice: stop be marry to someone get divorce
choice: fish bait hook
choice: tuba large musical instrument
choice: dove peace
choice: beer drink
choice: student ask question
choice: fruit eat
choice: have long hair have haircut
choice: eye face
choice: eat vegetable good health
choice: cup plastic
choice: child parent
choice: someone pool