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: Bears. Sentence 1: Georgette loved the Chicago Bears football team. Sentence 2: Her favorite colors were their team's colors: blue and orange. Sentence 3: Georgette decided to knit a sweater using blue and orange yarn. Sentence 4: The sweater was so cute she made a matching one for her dog. Choices: a. She couldn't force herself to go out on stage! b. They wore their sweaters every time the Bears played football games.
Example Output: a

Example Input: Title: Slick Willie. Sentence 1: Slick Willie is a big black cat, named for his many lucky escapes. Sentence 2: Yesterday he was on the roof when we had a sudden downpour. Sentence 3: He leaped for the tree branch that was his usual method of descent. Sentence 4: He missed! Choices: a. Fortunately, he landed in a large shrub and sauntered away unharmed. b. When Sally goes home, she always writes a thank you note for her gram.
Example Output: b

Example Input: Title: Generation gap. Sentence 1: Francis was a large character in the family. Sentence 2: He would always be the first to make jokes at a gathering. Sentence 3: At one BBQ, Francis made an inappropriate joke in front of everyone. Sentence 4: His grandparents disapproved highly. Choices: a. Luckily I was uninjured. b. Francis never thought it would be him offending his grandparents.
Example Output:
a