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 Q]: Title: Dishes. Sentence 1: Kaya's single mom worked full-time to care for Kaya and her brother. Sentence 2: One day after school, Kaya decided to show her thanks. Sentence 3: She washed all the dishes and helped her young brother clean his room. Sentence 4: Then they swept and mopped the floors together. Choices: a. When their mom came home, she wept with joy to see her happy surprise! b. She and Ron were both so happy, they almost cried!
[EX A]: a

[EX Q]: 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 A]: b

[EX Q]: Title: Office Party. Sentence 1: Larry worked at an accounting firm. Sentence 2: It was a boring job but it paid the bills. Sentence 3: Larry grew tired of doing the same thing every day. Sentence 4: He had the idea to have an office party. Choices: a. Soon Ava was paddling all by herself! b. By lunch the whole office had passed out and nothing got done.
[EX A]:
b