You are given a sentence, a question and two answer options. Your task is to write down the index ('A' or 'B') of the **incorrect** option for the given question.

[EX Q]: Sentence: Biff was trying to prove to the bar that he was very strong. Question: Which would be a better thing to rip in half to show off? (A) Phone Book (B) Letter
[EX A]: B

[EX Q]: Sentence: Linda and Thomas decide to walk to the park.  Linda looks around and walks at a more leisurely pace while Thomas walks briskly. Question: Who takes longer to reach the park? (A) Linda (B) Thomas
[EX A]: B

[EX Q]: 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 A]:
B