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.

Example Input: Title: The Dress. Sentence 1: Nancy bought a beautiful dress for the prom. Sentence 2: Her little sister saw it and decided to try it on. Sentence 3: Unfortunately the dress did not fit and it ripped. Sentence 4: Nancy yelled at her sister for ruining the dress. Choices: a. Her sister said it would be fine and sewed it back together. b. She ran away, escaped the bird and stayed in for a few days.
Example Output: b

Example Input: Title: Computer Crash. Sentence 1: Dan's computer suddenly stopped working. Sentence 2: Dan took the computer to a local technician's shop. Sentence 3: The technician said Dan's computer was completely fried. Sentence 4: He said all Dan could do was buy a new computer. Choices: a. Reluctantly, Dan bought a brand new laptop, costing him 600 bucks. b. Mary hasn't spoken to Dan since!
Example Output: b

Example Input: Title: The Dress Stain. Sentence 1: Charlie was at a party with her friends. Sentence 2: She was wearing a stylish white dress and sipping some wine. Sentence 3: Suddenly her glass slipped, leaving a stain on her clothes. Sentence 4: She tried her best to clean the dress but it was useless. Choices: a. Now I know how to cook plenty of different foods. b. It was completely ruined by the wine stain.
Example Output:
a