TASK DEFINITION: You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.
PROBLEM: Sentence: A pebble sinks smoothly into a pond, but not into an ocean. Question: Which surface will the pebble plunge deeper into? (A) pond (B) ocean

SOLUTION: pond

PROBLEM: Sentence: Laura and Sean are running on the tracks. Sean needs to stop running half way through and walk the rest. Question: Who ends one round around the track the fastest? (A) Laura (B) Sean

SOLUTION: Laura

PROBLEM: Sentence: Mary's ice cream has an easy time sliding around in a bowl, but a hard time sliding around in a cone. Question: Which surface will make the ice cream melt faster? (A) cone (B) bowl

SOLUTION:
cone