Problem:OPTIONS:
- hospitalization
- recovery
- parasites
- solid, liquid, gas
- Leptospirosis
- Allergies
- resistance
- passive immunity

Fact 1: Passive immunity lasts only as long as the antibodies survive in body fluids. Fact 2: An antibody is a protein that attaches to an antigen. Given the two facts above, what lasts only as long as the proteins that attach to an antigen survive in body fluids?
****
A: passive immunity

Fact 1: Migration is a type of movement that changes population size. Fact 2: Birds migrate to escape poor weather and food supply. Given the two facts above, escaping poor weather and food supply changes what?
OPTIONS:
- population age
- the environment
- population education
- general preferences
- important habitats
- population size
- movement
- an organism's body
population size

Fact 1: Mammals can also generate little bursts of heat by shivering. Fact 2: All humans are mammals. Given the two facts above, what can generate little bursts of heat by shivering?
OPTIONS:
- rabbit
- goats
- bears
- humans
- clouds
- trees
- animals
- the sun

Answer: humans

Question: Fact 1: Atape measure is used to measure length. Fact 2: Lengths A length is a measure of distance. Given the two facts above, what does a tape measure measure?
OPTIONS:
- size
- feet
- mass
- tape
- distance
- heat energy
- time
- forces
Answer: distance

input with options: Fact 1: Some viruses live in a dormant state inside the body. Fact 2: Viral infection means there is a virus living in the body. Given the two facts above, some viral infections live in what?
OPTIONS:
- dormant state
- bloody state
- alveoli
- going viral
- gastropod shells
- red state
- Veins and arteries.
- animals
output: dormant state

Problem: OPTIONS:
- story times
- commutes
- temperature
- Plants growth
- energy usage
- life cycles
- bedtimes
- layers of fat
Q: Fact 1: Algae have varied life cycles. Fact 2: Some red algae are eaten by humans. Given the two facts above, something eaten by humans have varied what?
Answer:
life cycles