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: College Major. Sentence 1: Amanda did not know what major to choose before attending college. Sentence 2: She decided to take a variety of courses to see what interested her. Sentence 3: She tried to narrow down her options. Sentence 4: By sophomore year, she was between two choices. Choices: a. Now, Jess goes mountain biking every weekend. b. Ultimately, she decided to major in psychology.
Example Output: a

Example Input: Title: New Wig. Sentence 1: Janet was going through chemo therapy. Sentence 2: She lost a lot of hair because of it. Sentence 3: Her friends chipped in to buy her a fancy wig. Sentence 4: Janet really liked the style and was grateful. Choices: a. Finally, she made it to the top of the tree. b. Her friends were happy to see her smile.
Example Output: a

Example Input: Title: Jail time. Sentence 1: Sean started to do drugs during lunchtime at work. Sentence 2: He eventually lost his job for failing a drug test. Sentence 3: When he ran out of money he decided to rob a store. Sentence 4: Cops were called to the store and arrested him. Choices: a. Sean is now doing time in jail. b. They all chewed a piece of gum.
Example Output:
b