You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the **incorrect** answer (return the string of the incorrect option, not A/B).

Ex Input:
Sentence: Bill Gates and Lebron James are playing a game of basketball.  Bill Gates is an old guy who doesn't work out, and Lebron James is a young sports adonis who trains daily.  Both stand at half court, but only one hits the backboard. Question: Who? (A) Bill Gates (B) Lebron James

Ex Output:
Bill Gates


Ex Input:
Sentence: Two matchbox cars are being rolled down a sidewalk at the same time. The red car goes further than the blue car. Question: Which car is quicker? (A) red car (B) blue car

Ex Output:
blue car


Ex Input:
Sentence: The planet Saturn has more mass then the planet Mercury. Question: Which plant has less of a gravitational field? (A) Saturn (B) Mercury

Ex Output:

Saturn