context: Ride bike is used for exercise. Fossil fuel is used for get revenge on someone. Ride bike is not used for test. Ride bike is not used for dry towel. Board pass is used for train. Coathangers is not used for get revenge on someone. Learn is used for fun. Coathangers is used for fun. Exercise is used for train. Ride bike involves pedal. Train is used for learn.
text: Exercise is used for fun.