stem: bear mammal
choice: smoke bad for you
choice: your brain think
choice: cat play
choice: car town
choice: earth world
choice: be sad cry
choice: goldfish fish
choice: sing you be happy
choice: get wet get cold
choice: chair wood
choice: ear head
choice: tire fill with air
choice: fish goldfish
choice: violin string
choice: take shower dry off
choice: sate your hunger eat something
choice: book sleep
choice: person climb mountain
choice: heart love