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: Music Loud. Sentence 1: Warren was blasting his music loud. Sentence 2: His mother knocked on his door. Sentence 3: He opened it and asked what she wanted. Sentence 4: She told him to lower the music. Choices: a. He said that she wasn't his real mother. b. John just barely lost his election.

Ex Output:
a

Ex Input:
Title: Slip. Sentence 1: Sophie was getting into the bath tub one day. Sentence 2: She slipped on the wet porcelain. Sentence 3: Her chin was cut open badly. Sentence 4: She had to get fifteen stitches! Choices: a. The next day, he tried to get into the novel again. b. Sophie vowed to be more careful in the future.

Ex Output:
b

Ex Input:
Title: The Game. Sentence 1: Lesley was late for the school football game. Sentence 2: She hurried to make it in time. Sentence 3: Lesley tripped over a stick. Sentence 4: She twisted her ankle. Choices: a. Lesley had to have her ankle treated by the school nurse. b. Anita sliced her wrist four times before Johnny stopped her.

Ex Output:
a