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.

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

A: B
****
Q: Sentence: A halter sliding across a barn floor gets hotter then one sliding across a field. Question: Which surface forces the halter to travel at a lower rate of speed? (A) barn floor (B) field

A: B
****
Q: Sentence: Susan is walking along a path in a forest, blowing on her whistle once every 2 minutes. Her friend Jane is at their campsite. She can hear Susan's whistle. The sound is getting fainter and fainter. Question: Is Susan walking towards or away from the campsite? (A) towards (B) away from

A:
A
****