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:
A light using energy can cease that activity when (A) light bulbs are gold (B) lights are always on (C) wall switch is adjusted (D) walls are painted blue
answer:
C


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


question:
An attraction may be magnetic if (A) two metals are placed together (B) substances find one another irresistible (C) nickel is in a metal rod (D) iron and nickel are in a bowl
answer:

B