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:
Cows know there is salt in a mineral lick because (A) they have receptors on their tongue that allow them to experience spice and seasonings (B) a cow in the ocean told them it was there (C) it's on their side of the pasture's fence (D) they evolved where there were great redwood trees
answer:
A


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:
a desert environment has low (A) sand count (B) cacti (C) dryness (D) wet sky falling
answer:

D