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: Mary isn't as strong as Jimbo. Question: If they both throw a ball, who can't throw it as far? (A) Mary (B) Jimbo
[EX A]: B

[EX Q]: Sentence: Two chimps in a zoo always like to throw apples into the neighboring zebra enclosure. Zippy always seems to throw the apples further than Toby. Question: Which chimp is weaker? (A) Zippy (B) Toby
[EX A]: A

[EX Q]: Sentence: Pet food sliding across a shiny floor has low resistance, while pet food sliding across a matte floor has high resistance. Question: Which floor will allow the top speed of the pet food to reach a higher level? (A) matte floor (B) shiny floor
[EX A]:
A