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 does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.

Title: Most Important Lesson In College. Sentence 1: Emily was having trouble her first year at college. Sentence 2: She wrote her parents saying she'd like to come home. Sentence 3: Her father flew down to campus and surprised her. Sentence 4: Emily was embarrassed her father showed up. Choices: a. Kyle never left any clothes unattended in the laundromat again. b. But her father showed her, sit down, get to work and forget emotions.
a