Definition: 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.

Positive Example 1 -
Input: Sentence: Jacob and Benny are squatting at the gym. Jacob has thin frail legs and Benny has big strong legs. Question: Who squats less weight? (A) Jacob (B) Benny
Output: B

Positive Example 2 -
Input: Sentence: The fastest land animal on earth, a cheetah was having a 100m race against a rabbit. Question: Which one won the race? (A) the cheetah (B) the rabbit
Output: B

Negative Example 1 -
Input: Sentence: Suppose your neighbor John is playing music and your friend Nikos at the end of the street is also playing music. Question: Who's music will appear to be louder? (A) John (B) Nikos
Output: A

Negative Example 2 -
Input: Sentence: The Sun is closer to the Earth then the nearest star. Question: Which object looks bigger to someone standing on the Earth looking up? (A) Sun (B) Star
Output: A

Now complete the following example -
Input: Sentence: To save money, the contractor stopped buying the costlier wall supports he was required to use and started using some cheaper ones instead. As a result, several roofs collapsed. Question: Which wall supports were thinner? (A) The expensive wall supports were thinner (B) The cheaper wall supports were thinner
Output: 


Output: A