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.

[Q]: Title: Payment. Sentence 1: The house payment is very late. Sentence 2: I was afraid to show my husband the letter. Sentence 3: It was from the bank. Sentence 4: It stated we were 2 months behind. Choices: a. Tom joined and felt accomplished. b. I tried my hardest to make the payments clandestinely.
[A]: b

[Q]: 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.
[A]: a

[Q]: Title: Lost Job. Sentence 1: The cashier was rude to her customer. Sentence 2: The customer complained to the cashier's boss. Sentence 3: The boss warned the cashier to not be rude again. Sentence 4: The customer filed another complaint the next week. Choices: a. Cal never found out Dirk had cheated to win the game. b. The cashier was fired.
[A]:
b