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 are a source of fibers? (A) water (B) plantlife (C) rocks (D) air
answer:
B


question:
A way for an octopus to evade predators is to (A) befriend the predator (B) emulate a rock (C) swim around (D) bury itself underground
answer:
B


question:
How long does it take Earth to fully revolve one time (A) 28 hours (B) 46 hours (C) 1400 minutes (D) 1440 minutes
answer:

D