In this subtask, you will answer a simple science question. Please indicate the correct answer. If you're not sure about the answer, choose the last option "I don't know". Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D', 'E'. The "A"-"D" responses correspond to the answer options mentioned in the input. There is a 5th option "E" which should be used for questions for which you're not sure about the answer (e.g., when the questions do not provide enough information to answer).

Q: Question: An organism's survival depends on its ability to ___.  (A) harm its environment (B) change its environment (C) control its environment (D) respond to its environmen?

A: D.
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Q: Question: When water freezes, its volume  (A) increases (B) decreases (C) stays the same (D)?

A: A.
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Q: Question: After testing the ability of aluminum, wood, and plastic to conduct electricity, a student would conclude that ___.  (A) aluminum is a good conductor (B) wood and plastic are good conductors (C) aluminum is a good insulator (D) wood is a good conducto?

A:
A.
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