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.

Ex Input:
Sentence: Both a cheetah and a rabbit are running in a field at the same rate of speed. The rabbit gives up before the cheetah and stops to catch its breath. Question: Which animal ran the greater distance? (A) cheetah (B) rabbit

Ex Output:
cheetah

Ex Input:
Sentence: Jim owns both a truck and a car. The truck weighs more then the car. Question: Which vehicle will accelerate at a greater rate of speed when he presses down on the gas pedal? (A) truck (B) car

Ex Output:
car

Ex Input:
Sentence: Ellen is stronger than Sarah. Both throw a softball from home plate out into the field. Question: Which throw goes farther? (A) Sarah's (B) Ellen's

Ex Output:
Ellen's