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 does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.
Q: Title: Lemon pit. Sentence 1: Cathy felt a bit of cold coming. Sentence 2: She squirted some lemon juice down her throat to help. Sentence 3: But as a lemon pit fell with the juice, she choke on it. Sentence 4: She drank a few sips of water to swallow it. Choices: a. He finished up the next day. b. And when she did, she felt a lot better.
A:
a