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").

[EX Q]: The sea is (A) A mega Museum (B) A solid (C) Jello (D) Candy
[EX A]: A

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

[EX Q]: Measuring is a way to collect data; what is an example of this? (A) pouring water into a gallon jug to save for later (B) pouring milk into a half cup to see how much is left (C) making sure that a blanket is warm enough for the night (D) noticing how long a cat's tail is
[EX A]:
B