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: Dye Job. Sentence 1: Nina wanted blonde hair. Sentence 2: She decided to save $50 at a salon by doing it herself. Sentence 3: But it came out orange! Sentence 4: She was horrified! Choices: a. I now have an mturk account. b. She had to go to a salon and pay to have it fixed after all.
a