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: Louis notices that when he pushes his book on the carpet, it doesn't go as far as when he pushes the book on the kitchen floor. Question: Which surface has greater resistance? (A) kitchen floor (B) carpet

Ex Output:
kitchen floor


Ex Input:
Sentence: A potato rolling on a cutting board experiences low resistance, while one rolling around on a wood floor experiences high resistance. Question: Which surface allows the potato to roll a greater distance? (A) cutting board (B) wood floor

Ex Output:
wood floor


Ex Input:
Sentence: A space station has been abandoned and left to drift through space. At one point, the space station drifts halfway between a normal star and a black hole. The black hole is much more massive than is the normal star. Question: Which body will the space station drift away from because of that body's lower gravitational force? (A) black hole (B) normal star

Ex Output:

black hole