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.

Input: Consider Input: Title: Group Therapy. Sentence 1: Harold struggled with drinking. Sentence 2: He sought out help. Sentence 3: He went to meetings. Sentence 4: He felt more confidence. Choices: a. They got excited for this event. b. He doesn't drink anymore.

Output: a

Input: Consider Input: Title: The Mantis. Sentence 1: My Dad and I went to an amusement park. Sentence 2: We rode all the roller coasters. Sentence 3: One of the coasters was called the Mantis. Sentence 4: It went upside down and our feet dangled out the bottom. Choices: a. My Dad did NOT like the Mantis ride. b. He's increased his daily earnings from $100 to $200 using scripts.

Output: b

Input: Consider Input: Title: Grilling. Sentence 1: Kerry wanted to cook on the grill. Sentence 2: He asked his wife what kind of meat she wanted. Sentence 3: Kerry went to the store. Sentence 4: He picked up meat for his wife and himself. Choices: a. Kerry cooked supper for himself and his wife. b. Suzie ended up with a black eye that day.
Output: b