instruction:
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").
question:
An example of conservation is (A) jogging (B) reducing ethanol use (C) hiking (D) raking leaves
answer:
B


question:
As the pull of gravity decreases air molecules (A) explode (B) disperse (C) crowd together (D) party
answer:
B


question:
Which likely needs the least food? (A) a cat (B) a snake (C) a shark (D) a dog
answer:

B