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.

Input: Consider Input: Title: Mail Story. Sentence 1: Lori moved into a new neighborhood. Sentence 2: One day her mailman put someone else's mail in her mailbox. Sentence 3: Lori took the mail to the correct address. Sentence 4: The woman at that address was rude to Lori. Choices: a. He never found out who drank it. b. Lori decided that she did not want to be friends with this woman.

Output: a

Input: Consider Input: Title: Skip fell in love. Sentence 1: Skip was a lonely man. Sentence 2: He didn't really have anyone to call his own. Sentence 3: One day Skip was sitting in the park. Sentence 4: He spotted a beautiful young woman with her dog. Choices: a. He liked the flavor but couldn't eat more. b. Skip fell head over heels with her and the two became romantic lovers.

Output: a

Input: Consider Input: Title: The Chore. Sentence 1: Tim wanted to mow the lawn before the party. Sentence 2: He took the lawnmower out of the garage and filled it with gasoline. Sentence 3: He pulled to cord several times but the mower would not start. Sentence 4: Tim removed the spark plug and cleaned it with a wire brush. Choices: a. He installed the clean plug and soon was mowing the lawn. b. He wanted to go back next week!
Output: b