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: Snails in the Rain. Sentence 1: Jake and Kathy were hanging out on a rainy day. Sentence 2: Kathy remembered that snails like to come out in the rain. Sentence 3: The two decided to collect a bunch of snails. Sentence 4: They ran around gathering snails left and right. Choices: a. By the time they stopped they were amazed by how many snails they had. b. The water entered in and flooded it.
A:
b