Given the task definition and input, reply with output. 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 seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Title: Smiths Hiking. Sentence 1: Smith decided to go on a hiking trip in Virginia. Sentence 2: He ended up being way too much gear in his hiking pack. Sentence 3: Halfway up the mountain he dislocated his knee. Sentence 4: A medevac had to be called in as he could not walk any further. Choices: a. They had a lot in common and eventually married. b. Smith ended up making it out okay but refuses to ever hike again.
b