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]: animals learn some behaviors from watching their (A) rocks (B) toys (C) caretakers (D) trees
[A]: C

[Q]: in order for a person's burger to make it successfully into the toilet, which of these must be functional? (A) the respiratory system (B) the digestive system (C) the circulatory system (D) the destructive system
[A]: B

[Q]: A woman wants to make sure that she can physically look back over memories of a day, as they progress, whenever she wants, so she (A) brings a phone (B) brings a camera (C) brings a book (D) brings a lunch
[A]:
B