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:
What activity is a part of the wheel of organic life? (A) having sex (B) black holes (C) nuclear meltdowns (D) supernova
answer:
A


question:
Which would likely decrease the food in an environment? (A) gravity (B) water evaporation (C) a tree (D) time
answer:
B


question:
A space exists where there is room for things with cells to propagate, so it is most likely (A) habitable (B) desolate (C) a vacuum (D) harsh
answer:

A