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: Tim has to push an ice sculpture across the ballroom in order to get his restaurant ready for a wedding. He notices that it is easier to push the sculpture when he moves it across the polished ballroom floor than when he moves it across the rough cobblestone floor. Question: If Tim is trying to keep the ice sculpture from melting, which surface should he push it across in order to produce less heat? (A) ballroom floor (B) cobblestone floor

Ex Output:
cobblestone floor


Ex Input:
Sentence: The planet Earth has more mass then the plant Venus. Question: Which plant has stronger gravity emitting from it? (A) Earth (B) Venus

Ex Output:
Venus


Ex Input:
Sentence: John smashes his ex-girlfriend's car with a rubber mallet and a Styrofoam mallet. Question: Which mallet is less likely to break? (A) rubber mallet (B) Styrofoam mallet

Ex Output:

Styrofoam mallet