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.

Ex Input:
Title: The Test That Switched. Sentence 1: Samantha had a very important test coming up. Sentence 2: She prepared all weekend for the test. Sentence 3: She felt very confident she knew everything on the test. Sentence 4: She took the night off from preparing for the test. Choices: a. She went to school and the test was nothing she studied about. b. I prefer eggs that are fried.

Ex Output:
b

Ex Input:
Title: The Fix. Sentence 1: When ray opened his cabinet the knob fell off. Sentence 2: He decided to look up how to fix it. Sentence 3: He went to the store and shopped around for a new knob. Sentence 4: He finally found the right one. Choices: a. When he got home he fixed in a few hours. b. It was insufficient and he had to sleep in many layers.

Ex Output:
b

Ex Input:
Title: Schizophrenia. Sentence 1: Growing up Andy knew that he was a little different. Sentence 2: He had imaginary friends like other children. Sentence 3: But the difference with Andy is that he thought they were really real. Sentence 4: When Andy turned 18 he still had imaginary friends that he'd talk to. Choices: a. He finished his first tune today, and he hopes to get noticed one day. b. His psychiatrist diagnosed him with having schizophrenia.

Ex Output:
a