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: Jim and Bob are running on the track.  Jim has a hurt knee and can't run as fast. Question: After a half hour, who has run further? (A) Jim (B) Bob

Ex Output:
Bob


Ex Input:
Sentence: Sliding a lunch bag across a shiny table makes it go a greater distance then sliding it across a matte table. Question: Which table will make the bottom of the bag stay cooler? (A) shiny table (B) matte table

Ex Output:
shiny table


Ex Input:
Sentence: A jet is faster then a prop plane. Question: If both fly around for the same amount of time, which will have gone farther? (A) jet (B) prop plane

Ex Output:

jet