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.

Example Input: Title: New Locks. Sentence 1: Ronny had broken up with his girlfriend. Sentence 2: He kicked her out the house. Sentence 3: Ronny's girlfriend refused to give him back the house key she had. Sentence 4: Ronny went to the hardware store for a replacement lock. Choices: a. It was ruined and he had to order pizza. b. He replaced the locks and keys.
Example Output: b

Example Input: Title: Deceiving Friends. Sentence 1: Sam told John that Lucy was interested in him. Sentence 2: In excitement, John tried to meet up with Lucy. Sentence 3: She was confused when John assumed that she likes him. Sentence 4: John found out that it was a lie. Choices: a. While crushed, he took his anger out on Sam. b. Needless to say, she did not try out for the team after all.
Example Output: a

Example Input: Title: Wedding Vows. Sentence 1: Tom and his fiance decided to write their own wedding vows. Sentence 2: Tom was nervous about it. Sentence 3: He spent a long time trying to find out what to say. Sentence 4: When he actually said his vows his fiance wept. Choices: a. After about a half hour the heartburn went away. b. She thought it was perfectly beautiful.
Example Output:
b