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: Cicada. Sentence 1: I climbed the pool ladder to the top rung. Sentence 2: On the wooden post was a cicada shell. Sentence 3: There was a bright green new cicada struggling to climb out. Sentence 4: I was excited because I'd never seen it before. Choices: a. Sofia was devastated because she had lost it. b. I stood on the ladder and watched.
Output:
b