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: Once the grounds frost over and the air grows chilled (A) beaches are opened (B) humans go naked (C) birds lay eggs (D) roses die

Answer: D


Question: An early example of harnessing wind power would be (A) unicorns (B) santas flying reindeer (C) trumps windy speeches (D) cloth on masts

Answer: D


Question: A radio is used for what? (A) people contact (B) heat (C) mail (D) food

Answer:
A