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.

Sentence: Jim could run twice as fast as his sister Jen. They had to deliver some urgent vaccines to the next town to stop the spread of a dangerous virus. Question: Who should run with the vaccines in order to get them there in a shorter amount of time? (A) Jim (B) Jen
Jim

Sentence: Two identical airplanes, except for their colors, are in the sky. The black and white one looks smaller than the blue one. Question: Why? (A) the black and white one is higher in the sky (B) the blue one is higher in the sky
the black and white one is higher in the sky

Sentence: On day 1, Jeremy does 10 sets of jumping jacks, runs 3 miles, and lifts weights for 20 minutes. The next day, he does 1 set of jumping jacks and walks for 10 minutes. Question: On which day did he sweat less? (A) Day 1 (B) the next day
the next day