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: Sadness. Sentence 1: After it was over, I felt sad and contrite. Sentence 2: I tried to apologize, but it wasn't accepted. Sentence 3: He was very angry with me. Sentence 4: I didn't know what else I could do. Choices: a. Dan was glad that he was no longer losing the game. b. I remained quiet for the rest of the day.
b