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 the following is correct? (A) The earth's strong gravitational pull causes a waxing gibbous to form (B) astrology causes a waxing gibbous to form (C) star maps cause a waxing gibbous to form (D) government satellites cause a waxing gibbous to form

Answer: A


Question: A plane travels through what? (A) gas layers (B) plains (C) oceans (D) time

Answer: A


Question: When a sound is produced inside a room, sometimes there is a (A) light (B) electric charge (C) delayed reflection (D) video

Answer:
C