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: Reunion and Self-Improvement. Sentence 1: John had his high school reunion coming up in six months. Sentence 2: John hadn't seen these people in five years. Sentence 3: John wanted to lose some weight prior to the reunion, to look good. Sentence 4: He dieted and worked out faithfully. Choices: a. Sara played with panda bear cubs in a Chinese zoo on her birthday! b. John looked fantastic at the reunion, turning quite a few heads.
Output:
b