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").

Q: Which of the following would have best aided a vessel at sea in crossing the sea in the 18th century? (A) A radar system (B) An old soothsayer (C) An experienced navigator (D) A crow's nest

A: C
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Q: A rock may be used as a shelter by a (A) chicken (B) spider (C) giant squid (D) deer

A: B
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Q: as Ford lost customers it's earnings (A) plummeted (B) raised (C) stayed the same (D) fluctuated

A:
A
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