Definition: 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.
Input: Title: Intervention. Sentence 1: Joanna drank a little too much. Sentence 2: So when her family planned an intervention, she wasn't surprised. Sentence 3: She sat on the sofa and listened to everyone. Sentence 4: She promised she would look in it when they all left. Choices: a. And as soon as the door was closed, she opened a bottle of wine. b. He had to have it rebuilt.
Output:
a