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: The change in fur color of the Arctic hare from brown in the summer to white in the winter is an example of  (A) mimicry. (B) heredity. (C) diversity. (D) camouflage?

A: D.
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Q: Question: Which structure does a plant cell have that an animal cell does not have?  (A) Vacuole (B) Cytoplasm (C) Cell membrane (D) Cell wal?

A: A.
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Q: Question: Which of these is MOST likely made from only one material?  (A) A pencil (B) A bicycle (C) A paper clip (D) A pair of shoe?

A:
C.
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