Q: 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: A Better View. Sentence 1: Some friends and I went mountain climbing. Sentence 2: They kept wanting to take pictures. Sentence 3: I told them the best view was at the top. Sentence 4: Even when they wanted to stop and go back, I told them to move on. Choices: a. They finally realized that the top of the mountain had the best view. b. The doctor diagnosed him with a concussion.
A:
b