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: Two horses have been outside in a corral for one hour. The palomino is covered in sweat and the pinto is dry. Question: What happened? (A) the palomino got more exercise (B) the palomino got less exercise
[EX A]: B

[EX Q]: Sentence: Roni was playing with a beach ball at the beach. She noticed that when she rolled the ball on the sand, it traveled slower than when she rolled it on the wooden boardwalk. Question: Which surface provides more resistance? (A) sand (B) boardwalk
[EX A]: B

[EX Q]: Sentence: Pulling a rope through a wooden hook causes the rope to slide a lot more slowly compared to when the rope is pulled through a metal hook. Question: Which hook has more friction? (A) metal hook (B) wooden hook
[EX A]:
A