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]: Grooves in the ground are a sign of (A) sink holes (B) erosion (C) water accumulation (D) high traffic
[EX A]: B

[EX Q]: Blind people are unable to see what the shapes of things are, but they can still sense it thanks contacting it via their (A) flying (B) singing (C) smiling (D) hands
[EX A]: D

[EX Q]: A Bald Eagle's ability to build it's nest is (A) observed trough observation of others (B) a biological trait passed down in it's genes (C) learned through trial and error (D) learned from watching its mom
[EX A]:
B