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.
--------
Question: Sentence: A steel ball has a greater mass then a pebble. Question: Which object has a stronger gravitational field? (A) steel ball (B) pebble

Answer: steel ball


Question: Sentence: Two kids are chatting across the playground. They are harder to hear than the group of kids chatting right next to you. Question: Why is that? (A) They all sound the same (B) They are farther away

Answer: They are farther away


Question: Sentence: A pickup and a van are both driving on the highway at 60 mph. Question: If the pickup pulls off at an exit and stops sooner then the van, which vehicle would have traveled the shorter distance? (A) pickup (B) van

Answer:
pickup