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 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.
Input: Title: Hiking. Sentence 1: Joe and Jim were avid hikers. Sentence 2: Every year, they took a trip together and braved new terrain. Sentence 3: This year, they planned to hike a remote location in Alaska. Sentence 4: During the hike, Jim fell and twisted his ankle. Choices: a. Unfazed, Joe helped him up and they finished the hike together. b. Tom returned it and bought a better quality one.
Output:
a