Given the task definition and input, reply with output. 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: Big Man Dave. Sentence 1: Dave was a bully and picked on his classmates. Sentence 2: Even when he became an adult, he still acted like a bully. Sentence 3: He'd boss his coworkers around, threatening them if they talked back. Sentence 4: One night, he got drunk at the neighborhood bar. Choices: a. He won the prize and never forgot his teacher's special attention. b. He mouthed off to the wrong guy, and the guy beat him up.
b