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: Rap Battle. Sentence 1: One day some kids at school decided to have a rap battle. Sentence 2: Alec and Ron faced off. Sentence 3: People voted for who they thought should win. Sentence 4: Everyone voted for Alec. Choices: a. Alec won the battle. b. So she decided to eat just butter despite her weight.

Ex Output:
b

Ex Input:
Title: The Tennis Player. Sentence 1: Adam was a great tennis player. Sentence 2: He won many awards playing tennis for clubs and at his school. Sentence 3: Adam was about to graduate. Sentence 4: A college offered him a tennis scholarship. Choices: a. Adam accepted the scholarship and attended the college. b. I told her she can sleep all day tomorrow.

Ex Output:
b

Ex Input:
Title: Train Ride. Sentence 1: Colin lived in France. Sentence 2: He decided to visit Germany, so he bought a train ticket there. Sentence 3: He got on the train and settled in for the ride. Sentence 4: Later, the ticket inspector came around to inspect tickets. Choices: a. Colin lost his ticket and had to pay a large fine. b. Tom's band still played their heart out.

Ex Output:
b