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 event includes melting? (A) making ice (B) cooking in butter (C) cutting carrots (D) buttering bread
[A]: B


[Q]: In a bowl of water with the sun shining on it, what happens to the water after four hours? (A) the water is growing algae (B) there is less water (C) the water is dirty (D) there is more water
[A]: B


[Q]: Which are all likely enabled by rock folding? (A) oak trees, waterfalls, TVs (B) rivers, lightning bolts, fire (C) the Himalayas, spelunking, and valleys (D) cats, prairies, dogs, birds
[A]:
C