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.

Title: John learns to swim. Sentence 1: John knew how to do almost everything. Sentence 2: He did not know how to swim though. Sentence 3: John wanted to learn so he took lessons. Sentence 4: Eventually John learned how to swim. Choices: a. John went on to be a great swimmer. b. So she decided to simply sleep on a couch.
b