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: Too short for the ride. Sentence 1: Fred wanted to go on a ride. Sentence 2: But the park wouldn't let him. Sentence 3: He was too short. Sentence 4: He begged but they said no. Choices: a. Will felt great when he bought the striped tie. b. So he had to find something else.

Output: a

Input: Consider Input: Title: Uncle Joe. Sentence 1: Joe never married or had kids. Sentence 2: He was very fond of his sister's son, Paul. Sentence 3: He took him to the movies and taught him how to fish. Sentence 4: Eventually, his sister said Paul's father didn't like it. Choices: a. Walton was surprised to see the cat when he walked back in the room. b. Joe would still visit, but things weren't the same.

Output: a

Input: Consider Input: Title: tooth ache. Sentence 1: I remember when my tooth is aching and it's really painful. Sentence 2: When it's aching i want to go to the dentist quickly. Sentence 3: But when the pain is gone, i don't want to go to dentist anymore. Sentence 4: It's not painful anymore so there's no reason to go to there. Choices: a. Jutta corresponded with me for a year. b. But when it's aching again i'm crying to go to the dentist again.
Output: a