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:
Someday, the ground under the pile of rotting grain in the field will be (A) barren (B) a hole (C) more fertile (D) less fertile
answer:
C


question:
When the old man was much younger, he still had (A) brown eyes (B) baldness (C) gray hair (D) wrinkled skin
answer:
A


question:
Which of these is a solution? (A) milk (B) coke (C) water (D) clouds
answer:

B