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:
Which is the least massive? (A) the Earth (B) the moon (C) the sun (D) the solar system
answer:
B


question:
When is fog most likely to occur (A) 3 p.m. (B) midnight (C) 6 p.m. (D) noon
answer:
B


question:
Reusing your paper plates is a good way to avoid making excess (A) stars (B) rubbish (C) ears (D) mice
answer:

B