In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
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Question: Which of these could be a reason why the stars seem to be in a different place at dusk than at dawn? (A) rotation of the sky (B) rotation of the sun (C) rotation of the earth (D) rotation of the person

Answer: C


Question: Sleet is made out of water that is (A) vapor (B) hot (C) liquid (D) cold

Answer: D


Question: The Appalachians reach amazing heights because of how stone (A) blew up (B) piles together (C) melted lava (D) created anchors

Answer:
B