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: Rachelle. Sentence 1: A member of Generation X Rachelle loves 80s music. Sentence 2: Actually she loves just about all kinds of music. Sentence 3: She doesn't play any instruments. Sentence 4: Rachelle prefers to sing than play an instrument. Choices: a. She's a very popular person and everyone loves her. b. Ann complained to the manager when Pervis got sick.
b