In this task, you're given the title of a five-sentence story, the first four sentences, and two options for the fifth sentence as a and b. Your job is to pick the sentence option that does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.

Example Input: Title: Long Distance. Sentence 1: Stacy had to travel a very long distance to visit her parents. Sentence 2: This was do to her living away from home attending college. Sentence 3: She enjoyed her visits home but not the long commute. Sentence 4: She decided to attend college closer home to stop end the commuting. Choices: a. Now Stacy can visit her parents every day. b. He sued the surgeon.
Example Output: b

Example Input: Title: Transportation Issues. Sentence 1: My sister-in-law has a one year old grandson. Sentence 2: She used to visit him on Saturdays. Sentence 3: Last month her grandson's family moved to the suburbs. Sentence 4: She is afraid of driving on the highway and won't take trains. Choices: a. They exchanged pleasantries and moved on. b. I told her I think she is being very inflexible.
Example Output: a

Example Input: Title: Starting quarterback. Sentence 1: Joe had always wanted to be a quarterback. Sentence 2: He practised throwing a football all the time. Sentence 3: His brother got tired of always having to play catch. Sentence 4: After all the years of hard work Joe's dream came true. Choices: a. She went back home and decided to take massage lessons. b. He was chosen to be the starting quarterback of his high school team.
Example Output:
a