input with options: Fact 1: Weathering means breaking down rocks from larger whole into smaller pieces by weather. Fact 2: Erosion begins with the weathering, or breaking down, of rocks and soil. Given the two facts above, erosion breaks rocks down from larger parts into what?
OPTIONS:
- river
- ground
- soil
- small
- dirt
- tiny
- crust
- sand
output: soil

Q: Fact 1: Antigens are molecules that the immune system recognizes as foreign to the body. Fact 2: Molecules are a group of atoms. Given the two facts above, what type of antigens does the immune system recognize as foreign to the body?

OPTIONS:
- animals
- epidermal
- Allergies
- negative
- dangerous
- graptolites
- group of atoms
- homogenous

A: group of atoms

input: OPTIONS:
- support
- chiming
- exoskeleton
- courtship
- circulatory systems
- reading music
- writing
- communication Now, answer this question: Fact 1: Sound can be used for communication by animals. Fact 2: Sound occurs when a body, such as a vocal chord, vibrates, or moves back and forth. Given the two facts above, what use may some animals have for their vocal chords?
A:
output: communication

Fact 1: Lions live in social groups called prides. Fact 2: Leo's symbol is the lion. Given the two facts above, what live in social groups called prides?

OPTIONS:
- insects
- animals
- Pride parades
- humans
- Social networks
- fur seals
- Leo's symbol
- Social circles

Answer: Leo's symbol

Problem: OPTIONS:
- salamanders
- Lobsters
- chickens
- clouds
- density
- some mammals
- humans
- wind
Q: Fact 1: Thirst is used to make an animal realize that it needs to replenish its bodily water by the body. Fact 2: Chickens can sometimes be noisy animals. Given the two facts above, what uses thirst to realize it needs to replenish its bodily water?
Answer: chickens

Fact 1: Roundworms may be free-living or parasitic. Fact 2: Nematodes are microscopic, true roundworms. Given the two facts above, what are some nematodes?

OPTIONS:
- dangerous
- fungi
- parasites
- flying
- parisitic
- warm-blooded
- invincible
- insects

Answer:
parisitic