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: And old pilot, famous for his record-breaking flights in the 40's, wants to prove he can still do it. He plans an around the world trip and challenges a modern aircraft against his old one. Question: Which plane is likely to reach the final destination before the other? (A) The modern aircraft (B) the old aircraft

SOLUTION: The modern aircraft

PROBLEM: Sentence: A crab can scurry a greater distance over a beach then over an ocean floor. Question: Which surface gives the crab more resistance? (A) ocean floor (B) beach

SOLUTION: ocean floor

PROBLEM: Sentence: Greg and Hank each plan a cross country journey. Greg takes a car. Hank wants to walk cross country. Question: Who crosses the country first? (A) Greg (B) Hank

SOLUTION:
Greg