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]: What is an example of the fact that crop rotation renews the soil? (A) planting rows of carrots and peas next to one another (B) planting peas one season then carrots the next (C) planting a field of corn with different types in it (D) tilling the soil in between crops
[A]: B


[Q]: A way for an octopus to evade predators is to (A) befriend the predator (B) emulate a rock (C) swim around (D) bury itself underground
[A]: B


[Q]: What usually occurs over a period of many years? (A) tides (B) lightning (C) rock breaking (D) floods
[A]:
C