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).
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Question: Question: How does a tiger get stripes?  (A) from its environment (B) from its food (C) from its offspring (D) from its parent?

Answer: D.


Question: Question: A baby can inherit a trait from a  (A) teacher. (B) neighbor. (C) parent. (D) friend?

Answer: C.


Question: Question: A student is given three identically sized blocks. Each block is made of a different material. What characteristic of the blocks should be examined to find out which block is made of metal?  (A) color (B) weight (C) texture (D) conductivit?

Answer:
D.