Q: 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.
Title: The Bad Friend. Sentence 1: Matt was talking on the phone with his friend. Sentence 2: The friend was really rude and didn't let Matt talk much. Sentence 3: At first Matt put up with it because he cared about his friend. Sentence 4: Soon he decided that he wouldn't allow it. Choices: a. David found it an incredibly positive experience. b. He demanded that his friend apologize.
A:
b