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: What uses eyes to see by sensing light? (A) trees (B) algae (C) worms (D) elephants

Answer: D


Question: What does a seismograph measure? (A) the motion produced by underground collisions (B) the quaking of a man in fear (C) how strong the earth quakes beneath a stampeding herd (D) how strong waves can break plates

Answer: A


Question: Eagles survive by dining on (A) salmon (B) bears (C) humans (D) moose

Answer:
A