TASK DEFINITION: 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").
PROBLEM: Riding a two wheeled human powered vehicle is good for the environment because (A) it runs without fuel (B) it helps people stay in shape (C) they are cheaper to maintain (D) they are more fun to drive

SOLUTION: A

PROBLEM: An exertion on a thing that is going against the thing's intended direction, when in motion will (A) melt it (B) oppose it (C) speed it up (D) burn it

SOLUTION: B

PROBLEM: The number of lines found in a tree bore will tell you? (A) variety (B) sturdiness (C) the age (D) the height

SOLUTION:
C