Detailed Instructions: 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.
Q: Title: Jasper Plays Chess. Sentence 1: Jasper had always wanted to learn to play chess. Sentence 2: He decided to join his local chess club. Sentence 3: At first he found it very difficult to play with other club members. Sentence 4: But slowly Jasper became better at chess. Choices: a. He was so happy that he finally knew how to play chess. b. Cathy answered yes when John asked her to marry him.
A:
b