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: The Gymnast. Sentence 1: Liv wanted to be an Olympic gymnast. Sentence 2: She trained every day after school. Sentence 3: Unfortunately, she was injured in a car accident. Sentence 4: She had to undertake months of physical therapy to heal her ankle. Choices: a. Eventually, she was back to practicing gymnastics. b. Luckily, the phone was still covered under warranty.

Output: b

Input: Consider Input: Title: Orientation. Sentence 1: Kylie was starting middle school soon. Sentence 2: Today was her orientation. Sentence 3: She was nervous because she didn't know anyone there. Sentence 4: Luckily one of her friends found her at lunch. Choices: a. With a friend behind her, Kylie was much less scared. b. He had a fun day.

Output: b

Input: Consider Input: Title: Skinny girl. Sentence 1: Maria was too skinny for her own good. Sentence 2: She tried to eat but she never gained weight. Sentence 3: She started running to gain more muscular mass. Sentence 4: It worked enough to give her body a different shape. Choices: a. John felt very accomplished when he finally mastered it. b. And she was satisfied to not be skinny anymore.
Output: a