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

A: D
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Q: Though fossil fuels and their byproducts will eventually be used up completely, we'll still have (A) gasoline (B) coal (C) plastics (D) light from stars

A: D
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Q: Which is hotter? (A) the snow on one's car (B) a recently used iron (C) a rainbow sherbet cone (D) a cup of iced tea

A:
B
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