input with options: Fact 1: Coal is used for generating heat by burning. Fact 2: Heat comes out the top and can be used for cooking or space heating. Given the two facts above, food can be cooked using what?
OPTIONS:
- lipids
- energy
- corn
- fats
- sugar
- rice
- Coal
- oil
output: Coal

input with options: Fact 1: Pushing on the pedals of a bike cause that bike to move. Fact 2: Force is a push or a pull. Given the two facts above, what on the pedals of a bike cause that bike to move?
OPTIONS:
- force
- heat
- nothing
- a lack of energy
- zero energy
- muscles
- speed
- motion
output: force

input with options: Fact 1: Most canyons are formed by flowing rivers through erosion over long periods of time. Fact 2: Rivers contain 0.001 percent of the earth's water. Given the two facts above, what are most canyons caused by?
OPTIONS:
- erosion
- Physical weathering
- magic
- Freezing temperature
- Flowing water
- ice wedging
- Flowing gas
- flooding
output: Flowing water

input with options: Fact 1: Coal is used to produce electricity by burning in coal-fire power stations. Fact 2: Coal mines operated without electricity. Given the two facts above, what produces coal?
OPTIONS:
- mines
- tar
- energy
- copper
- cars
- state
- Oak
- fire
output:
mines