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: Too common. Sentence 1: Colin and Jo were having problems in their marriage. Sentence 2: Jo felt that Colin worked too much. Sentence 3: On the other hand, Colin felt that Jo didn't appreciate his work. Sentence 4: After seeing a marriage counsellor, Jo felt that it was too late. Choices: a. They agreed it was worth the 2 week grounding afterwards. b. She filed for a divorce because she didn't love him anymore.
b