You will be given a definition of a task first, then some input of the task.
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: Jan's Jilted Jawing. Sentence 1: Jan usually kept quiet about annoyances. Sentence 2: When she got upset by something, she would keep it inside. Sentence 3: She also rarely drank. Sentence 4: One night, some coworkers invited her out for drinks. Choices: a. She got drunk and blurted out a lot of private info about ex lovers. b. We still have to manually open and close the door all the time.
Output:
a