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:
One way to recycle paper is by using it to (A) build oceans (B) build spaceships (C) wipe grime (D) build cars
answer:
C


question:
You can work longer when (A) Autumn changes to Winter (B) spring changes to summer (C) tree leaves start falling (D) the first snow starts falling
answer:
B


question:
A tape measure aids in (A) deciding what color to paint a room (B) figuring the state of matter of an object (C) formulating the area of a room (D) determining mass of an object
answer:

C