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:
Cellular respiration releases (A) blood (B) waste (C) snot (D) feces
answer:
B


question:
Animals adapt to their what? (A) appearance (B) feet (C) skin (D) nature places
answer:
D


question:
Pressure is quite high in spaces such as (A) the floor of a sea (B) the bottom of a house (C) the bottom of a mountain (D) the bottom of a river
answer:

A