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.

Ex Input:
Title: Never Old. Sentence 1: Janet had not graduated high school. Sentence 2: She decided to go back to get her diploma. Sentence 3: She showed up everyday ready to learn. Sentence 4: The day finally arrived for her to graduate. Choices: a. All her kids and grandchildren came to watch. b. Tina's date said she was the best dancer in the room.

Ex Output:
b

Ex Input:
Title: Looking for a job. Sentence 1: Oliver bought the newspaper that day. Sentence 2: He went through all the job listings but nothing interested him. Sentence 3: He was so desperate for a job that he called one anyway. Sentence 4: He got an interview for the next day. Choices: a. Everyone liked the experience of watching real birds and pictures. b. To his amazement, he got hired and started the same day.

Ex Output:
a

Ex Input:
Title: Worse things could happen. Sentence 1: Maryann woke up with a bad feeling. Sentence 2: Her dog wasn't lying next to her bed. Sentence 3: She made her way through the house. Sentence 4: She stopped in her tracks. Choices: a. Alejandro cannot wait to go again. b. That was because her dog had peed on the floor.

Ex Output:
a