input with options: Fact 1: Cold fronts cause thunderstorms as they pass by. Fact 2: If cold air is advancing on warm air, the front is called a cold front. Given the two facts above, which situation can cause a thunderstorm?
OPTIONS:
- Fog rising over a lake
- pressure differences.
- Earth's axis of rotation is tilted
- Setting up lightning rods
- Cold air advancing on cold air
- Cold air advancing on warm air
- Changing the angle of the sun
- fall moving to winter
output: Cold air advancing on warm air

Q: Fact 1: Thick fur can be used for keeping warm. Fact 2: Carpet beetle larvae feed on the keratin and chitin commonly found in wool, fur, or feathers. Given the two facts above, what can be used for keeping warm?

OPTIONS:
- keratin
- vacuum
- four limbs
- energy
- cold
- engines
- magic
- heat

A: keratin

input: OPTIONS:
- koalas
- bears
- plants
- Birds
- gravity
- atoms
- humans
- cats Now, answer this question: Fact 1: Animals may compete for territory, water, food, or mates. Fact 2: All cats are animals. Given the two facts above, what may compete for territory, water, food, or mates?
A:
output: cats

Fact 1: Keeping food cold is used for keeping food fresh. Fact 2: On inspection the temperature of the fridge was found to be adequate for food storage. Given the two facts above, keeping things what is a way to adequately store them?

OPTIONS:
- cold in a fridge
- hydrogen and oxygen
- hot in a pan
- layers of fat
- in the trash
- out in the yard
- Electrical energy
- staying warm

Answer: cold in a fridge

Problem: OPTIONS:
- Something that is on the Moon
- swamp vegetation
- Something that cracks rocks
- sedimentary rocks
- A transportation fuel
- fissures of hot, acidic water
- Something inside the earth
- Something that flies
Q: Fact 1: Cycles of freezing and thawing water cause ice wedging. Fact 2: Under the pressure of the innumerable wedges of ice, the rock cracks. Given the two facts above, what is created from cycles of freezing and thawing water?
Answer: Something that cracks rocks

Fact 1: Chemical splashing can cause harm to humans. Fact 2: Some pain can be harmful. Given the two facts above, what can chemical splashing cause to humans?

OPTIONS:
- death
- pain
- pleasure
- birth
- satisfaction
- cancer
- deadly
- Injury

Answer:
pain