stem: study learn
choice: dog play
choice: cry you be sad
choice: tire fill with air
choice: ear head
choice: seatbelt backseat of car
choice: open gift suprise
choice: harmonica make music
choice: chess board game
choice: go to get haircut go to hairdresser
choice: earth world
choice: hunger eat
choice: author write poem
choice: forest tree
choice: go on stage act
choice: heart love
choice: chair wood
choice: suprise open gift
choice: do some exercise do cool-down
choice: game fun