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 seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Ex Input:
Title: Pinball. Sentence 1: The boys loved playing video games. Sentence 2: They went to an arcade to play pinball. Sentence 3: It was different from their high-tech games. Sentence 4: But they had a lot of fun. Choices: a. Now, Joe is not scared of cats. b. They decided pinball was their new favorite!

Ex Output:
b

Ex Input:
Title: Paper. Sentence 1: The man wrote a paper. Sentence 2: He asked a friend to read it. Sentence 3: His friend found some mistakes. Sentence 4: The man fixed the mistakes. Choices: a. Jerry breaks his hand building the tree house. b. The man got a good grade on the paper.

Ex Output:
b

Ex Input:
Title: Hook. Sentence 1: Dilbert like to play games with his friends. Sentence 2: He was playing Peter Pan with several other kids. Sentence 3: He was Captain Hook and had a full costume. Sentence 4: While chasing after his friends he tripped and fell down. Choices: a. Tim had to be carried to a taxi. b. His plastic hook broke in half and he started to cry.

Ex Output:
b