input with options: Fact 1: When an animal moves , chemical energy is converted to mechanical energy. Fact 2: Bats are animals that fly around at night. Given the two facts above, what is converted into mechanical energy when bats fly?
OPTIONS:
- batteries
- chemical energy
- adding heat
- electrical energy
- objects that have mass
- mechanical waves
- electricity
- direct energy
output: chemical energy

input with options: Fact 1: If heat is conducted to an object then that object will become hot. Fact 2: Air conducts heat poorly. Given the two facts above, what does not accept heat very well?
OPTIONS:
- corn
- air
- coal
- fats
- oil
- rust
- Man
- mold
output: air

input with options: Fact 1: Some animals' fur grows thicker for staying warm in the winter. Fact 2: Winter is the coldest season. Given the two facts above, what do some animals grow thicker fur for staying warm during?
OPTIONS:
- dry and hot
- in the autumn season
- dry conditions
- coldest season
- colder weather
- When it's cold
- subtropical
- Under 32 degrees
output: coldest season

input with options: Fact 1: Echinoderms lack respiratory and excretory systems. Fact 2: Starfish and sea urchins are also echinoderms. Given the two facts above, what kind of animal doesn't have a respiratory or excretory system?
OPTIONS:
- a fish
- bears
- ant
- whale
- humans
- starfish
- mammals
- llama
output:
starfish