Problem: OPTIONS:
- fats
- blood
- H 2 O
- sugar
- dust
- muscle
- gasoline
- SO2
Q: Fact 1: Steroid hormones are made of lipids, such as phospholipids and cholesterol. Fact 2: Fats A fat is another term for lipid. Given the two facts above, what are steroid hormones made of?
Answer: fats

Problem:OPTIONS:
- comfortable
- closed
- homogenous
- warmth
- smokey
- cold
- staying warm
- freezing

Fact 1: Burning wood is used to produce heat. Fact 2: Heating and air conditioning keep the building comfortable regardless of the temperature outside. Given the two facts above, burning wood is used to keep buildings what?
****
A: comfortable

Fact 1: If food is not immediately used by the body for energy then that food will be stored for future use. Fact 2: Excess food is stored in the body as fat. Given the two facts above, what becomes fat if not immediately used by the body for energy?
OPTIONS:
- lipids
- air
- cells
- cows
- food
- ice
- apples
- obesity
food

Fact 1: Damming a river can cause a lake to form. Fact 2: Nothing alters a river as totally as a dam. Given the two facts above, what can a dam form?
OPTIONS:
- fens
- rain
- lake
- water
- cracks
- H2O
- valley
- canyon

Answer: lake

Question: Fact 1: Most plants grow roots down into the soil to absorb water and minerals. Fact 2: If the plant is green, it is a producer. Given the two facts above, what can a producer grow down into the soil in order to absorb minerals and water?
OPTIONS:
- Trees
- stems
- roots
- Oak
- seeds
- burrs
- grass
- water absorbing petals
Answer: roots

input: OPTIONS:
- snorkels
- engines
- energy
- Fuel cells
- Limbs
- wheels
- Weight
- tracks Now, answer this question: Fact 1: Aairplane is used for moving people across bodies of water. Fact 2: Airplanes and cars are equipped with engines. Given the two facts above, transportation equipped with what is used for moving people across bodies of water?
A:
output:
engines