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: A plane travels through what? (A) gas layers (B) plains (C) oceans (D) time

SOLUTION: A

PROBLEM: Which doesn't contain water? (A) Sea of Tranquilitiy (B) Caspian Sea (C) Dead Sea (D) Caribbean Sea

SOLUTION: A

PROBLEM: A plastic toy reduced to a puddle was left on a (A) steep mountain (B) iceberg (C) government propaganda flick (D) hotplate

SOLUTION:
D