Problem:OPTIONS:
- Yes
- No

Do you think the right answer to the question "what can change the remains of prehistoric living things into natural gas?" is "a hydraulic system", given that rock metamorphizing changes the remains of prehistoric living things into natural gas?
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A: Yes

Problem:OPTIONS:
- Yes
- No

Do you think the right answer to the question "what may compete for territory, water, food, or mates"" is "people", given that alligators may compete for territory, water, food, or mates?
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A: No

Problem:OPTIONS:
- Yes
- No

Do you think the right answer to the question "paralytic shellfish cause harm to what?" is "most cephalopods", given that paralytic shellfish cause harm to living things?
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A: No

Problem:OPTIONS:
- Yes
- No

Do you think the right answer to the question "what does the digestive system use to produce nutrients for the body?" is "enzymes", given that the digestive system uses catabolism to produce nutrients for the body?
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A:
No