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: Planet 845-B had a lot of gravitational pull on the celestial objects surrounding it, but Planet 483-6-C barely affected the space around it at all. Question: Which of the two planets is likely to have the larger amount of mass? (A) Planet 845-B (B) Planet 483-6-C

Ex Output:
Planet 845-B


Ex Input:
Sentence: A 45 year-old woman and a 21 year-old baseball player are throwing baseballs in the field. They have to go get each ball that they throw. Question: Who will have to walk the  shortest distance to get their balls? (A) The 21-year old (B) The 45 year-old

Ex Output:
The 45 year-old


Ex Input:
Sentence: Stanley and Kayle are driving their cars at 40 mph down the road. Stanley stops his car to answer his phone while Kayle continues driving. Question: Who drives the  shortest distance? (A) Stanley (B) Kayle.

Ex Output:

Stanley