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]: Jeff noticed that the big dipper was in a different spot in the sky at 2am than where it was at 10pm. Why? (A) because of the earth's orbit (B) the stars had rotated (C) Jeff had been instantly transported thousands of miles from where he'd been at 10pm. (D) the earth had turned
[A]: D


[Q]: Due to camouflage, you are less likely to be able to see a polar bear in (A) a church (B) the zoo (C) alaska (D) africa
[A]: C


[Q]: If you need something to mix kool-aid, what would you avoid? (A) faucet water (B) well water (C) seawater (D) bottled water
[A]:
C