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 sustains life yet stopped growing? (A) air (B) a bush (C) a rock (D) a felled tree
answer:
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:
Where is fruit made? (A) in several farmers markets (B) in fruit bat caves (C) on the stems of trees or vines (D) in organic food stores
answer:

C