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 order for crops to grow food safely pesticides are used on them. When it floods, this can cause what to be poisonous? (A) Corn (B) air (C) Runoff (D) farmers
answer:
C

question:
All the water vanishes from a small depression basked in sunlight on a paved road because of (A) freezing (B) evaporation (C) condensation (D) precipitation
answer:
B

question:
Where is a mama bear likely to find food? (A) on top of the highest trees (B) in the deepest mines (C) in the inside of a felled oak (D) at the bottom of the lake
answer:
C