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

SOLUTION: C

PROBLEM: An early example of harnessing wind power would be (A) unicorns (B) santas flying reindeer (C) trumps windy speeches (D) cloth on masts

SOLUTION: D

PROBLEM: A person is lost in a dense forest, and needs to find their home. They know their home is to the south, and they are headed north. They can find home by using a (A) northern-directing device (B) northern light reader (C) northeastern winds (D) north central credit

SOLUTION:
A