stem: dental chair dentist office
choice: fire extinguisher put out fire
choice: do some exercise do cool-down
choice: earth world
choice: student read book
choice: island surround by water
choice: bottle water
choice: horseback ride fun
choice: violin string
choice: listen to music play cd
choice: chair wood
choice: run marathon exhaustion
choice: earth universe
choice: water bottle
choice: crime conduct trial
choice: dove peace
choice: person ride horse
choice: trumpet musical instrument
choice: breathe live
choice: see exhibit learn