input with options: Fact 1: Hydropower requires damming a river. Fact 2: Scientists agree that dams devastate rivers. Given the two facts above, hydropower can devastate a what?
OPTIONS:
- salmon
- rocks
- air
- plants
- soils
- homes
- river
- habitat
output: river

Q: Fact 1: Mammals have a layer of fat under the skin to help insulate the body. Fact 2: Pugs are mammals and mammals shed. Given the two facts above, what have a layer of fat under the skin?

OPTIONS:
- Birds
- humans
- trees
- pugs
- mounds
- cats
- otters
- bones

A: pugs

input: OPTIONS:
- to produce seeds
- Plant reproduction
- to produce water
- to produce stems
- to produce bark
- water conservation
- survival
- Reproduction Now, answer this question: Fact 1: Aflower 's purpose is to produce seeds. Fact 2: If it serves the purpose, use it. Given the two facts above, what is a flower used for?
A:
output: to produce seeds

Fact 1: Matter vibrating can cause sound. Fact 2: Thus, sound is a wave in air . Given the two facts above, what can matter vibrating cause?

OPTIONS:
- Pollution
- energy
- Relieve pain
- kinetic energy
- wave in air
- Energy.
- murmur
- Greenhouse gases

Answer: wave in air

Problem: OPTIONS:
- too big to touch
- too far to deep
- important habitats
- more abundant
- major threat to health
- scarce resources
- too hard to hear
- too small to see
Q: Fact 1: Some mollusks are nearly microscopic. Fact 2: Ribosomes are too small to see in the light microscope. Given the two facts above, some mollusks are nearly what?
Answer: too small to see

Fact 1: Echinoderms have a unique water vascular system with tube feet. Fact 2: Each starfish arm is lined with tube feet. Given the two facts above, where does a starfish have its water vascular system?

OPTIONS:
- salt and water.
- Chlorophyll
- the environment
- in its arms
- on the rocks
- in its eyes
- Epidermis
- in the ocean

Answer:
in its arms