Definition: 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: Helicopter. Sentence 1: The couple went on a helicopter. Sentence 2: They got to go on a tour. Sentence 3: They saw some amazing things. Sentence 4: It strengthened their relationship. Choices: a. They made the helicopter tour a yearly tradition. b. On her final night at the cabin she saw a beautiful shooting star.
Output:
a