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:
In the desert it was harder to find a (A) stream (B) cactus (C) dry bed (D) canyon
answer:
A


question:
Thirteen times a year, roughly, the moon (A) crashes into the Earth (B) is orbited by the Earth (C) lights up the Earth (D) completely rotates the Earth
answer:
D


question:
a byproduct of an open flame is (A) cooking (B) warmth (C) cold (D) light
answer:

B