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: Mike's bike weighs more then his skates. Question: Which object will accelerate slower? (A) bike (B) skates

Ex Output:
skates


Ex Input:
Sentence: Belle has two horses; a grey one and a white one. The grey one is fat, the white one is thin. Question: When racing, which horse will get up to speed more quickly? (A) white horse (B) grey horse

Ex Output:
grey horse


Ex Input:
Sentence: Our earth is one of the largest objects in space, but nothing compared to the sun. Question: Which object has stronger gravity? (A) Earth (B) Sun

Ex Output:

Earth