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: Good roll. Sentence 1: I had a California roll today. Sentence 2: It was rather delicious. Sentence 3: I liked the taste of it. Sentence 4: I wanted to have it again. Choices: a. Sam took several pictures of them for his instagram account. b. So I got another one.

Ex Output:
a

Ex Input:
Title: No Pets. Sentence 1: I moved into a new apartment. Sentence 2: The apartment did not allow pets. Sentence 3: I had a small dog that I wanted to hide. Sentence 4: Unfortunately, the apartment manager found out about it. Choices: a. The cat liked the ball. b. After paying a five hundred dollar fee, they let me keep my dog.

Ex Output:
a

Ex Input:
Title: Golf. Sentence 1: Rob found a new place to golf. Sentence 2: The grass was manicured and beautiful. Sentence 3: He started golfing there every evening. Sentence 4: He bought new clubs and a membership. Choices: a. Rob was glad he had a new play to improve his game. b. He fixed her dryer and grandma was happy.

Ex Output:
b