Goal and options: To paint a doll with something that resembles blood, you can

OPTIONS:
- Use red paint on the doll to create something resembling blood
- Use blue paint on the doll to create something resembling blood
output answer: Use red paint on the doll to create something resembling blood

Goal and options: Hot air balloons

OPTIONS:
- store water
- store hot air
output answer: store hot air

Goal and options: To make riding a bike easier for first-timers,

OPTIONS:
- install training wheels onto the back wheel.
- practice in hilly areas to break up the speed.
output answer:
install training wheels onto the back wheel.