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: If a fish lives in water that is very dark, the fish may calibrate its body over time to (A) absorb helium (B) turn invisible (C) eat more (D) be blind

Answer: D


Question: A person can inflate a beach ball using (A) a salt shaker (B) several cups (C) live bees (D) organ processed gas

Answer: D


Question: Screws and bolts are needed to do what with a bike? (A) eat it (B) cry (C) nothing (D) construct it

Answer:
D