Given the task definition and input, reply with output. 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.

Title: Snuggle Time. Sentence 1: Every day around lunchtime all of Kits animals take naps. Sentence 2: She has four cats and three dogs. Sentence 3: Two of the cats are very young kittens. Sentence 4: Luckily they all get along with each other. Choices: a. Usually the cats even snuggle with the dogs. b. Tom released the fly outdoors.
a