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: New Painting. Sentence 1: Tim wanted some art for his apartment. Sentence 2: He went to a goodwill. Sentence 3: They had several cheap pieces there. Sentence 4: Tim picked out a random one he liked. Choices: a. He received several compliments on it. b. Technician came out, fixed the problem, and now the internet is fine.

Ex Output:
a

Ex Input:
Title: Pizza. Sentence 1: Mark was very tired. Sentence 2: He hard worked really hard and was relaxing on the couch. Sentence 3: He didn't feel like getting up so he called in for a pizza. Sentence 4: The delivery guy showed up and Mark payed. Choices: a. The girl loved the new song, and they started dating. b. The pizza was amazing.

Ex Output:
b

Ex Input:
Title: Addictive Movie. Sentence 1: Tim's daughter loved Disney movies. Sentence 2: She was really hooked on Frozen in particular. Sentence 3: Tim saw the movie dozens of times. Sentence 4: He didn't really like it but didn't want to upset his daughter. Choices: a. Tim was able to recite the whole thing word for word after a while. b. Tim never bought that kind again.

Ex Output:
a