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 circulatory system brings oxygen to the body from where? (A) The chest (B) The brain (C) The feet (D) The stomach
[EX A]: A

[EX Q]: Why animal may use a rock as shelter (A) Centipede (B) Dolphin (C) Seagull (D) Dog
[EX A]: A

[EX Q]: A person wanting to relocate a boulder with their body will need to apply (A) song (B) exertion (C) love (D) thought
[EX A]:
B