input with options: Fact 1: Adult echinoderms have radial symmetry. Fact 2: Starfish and sea urchins are also echinoderms. Given the two facts above, what has radial symmetry?
OPTIONS:
- Most plants
- an object
- barnacles
- Starfish
- Trees
- Cows
- a prism
- Coral
output: Starfish

Q: Fact 1: Most mollusks have shells. Fact 2: All mollusks have soft bodies. Given the two facts above, what can shells protect?

OPTIONS:
- fronts
- animals
- soft bodies
- coastlines
- fur
- blood
- critical organs
- hard bodies

A: soft bodies

input: OPTIONS:
- treatment
- fever
- bacteria
- intense drugs
- Energy.
- magic potions
- the cure
- Energy Now, answer this question: Fact 1: Immunodeficiency occurs when the immune system is not working properly. Fact 2: Treatments are available for many immunodeficiencies. Given the two facts above, what is available when the immune system is not working properly?
A:
output: treatment

Fact 1: Mutations that lead to cancer usually occur in genes that control the cell cycle. Fact 2: Free radicals can mutate genes and eventually lead to cancer or cell death. Given the two facts above, what that eventually lead to cell death usually occur in genes that control the cell cycle?

OPTIONS:
- free radicals
- acetic acid
- free cells
- A Greek letter
- Localized damage
- massive damage
- radical animals
- free animals

Answer: free radicals

Problem: OPTIONS:
- friendly
- deadly
- animals
- gentle
- safe
- harm them
- goats
- reproduce
Q: Fact 1: Some parasites kill their host, but most do not. Fact 2: Humans are the unfortunate hosts of the deadly parasite. Given the two facts above, what parasites kill their human, but some do not?
Answer: deadly

Fact 1: All life relies on a relatively narrow range of pH, or acidity. Fact 2: All organisms have life cycles. Given the two facts above, what relies on a relatively narrow range of acidity?

OPTIONS:
- weathering
- mammals
- density
- Most plants
- organisms
- animals
- barnacles
- volume

Answer:
organisms