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 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.
Q: Title: Vegetarian. Sentence 1: Ron decided to become a vegetarian. Sentence 2: He found out very fast that he didn't like beans or tofu. Sentence 3: It didn't leave him a lot of food to eat that would provide proteins. Sentence 4: In the end, he had to give it up for health reasons. Choices: a. He went back to eating meat and regained his strength right away. b. We were in the mountains.
A:
a