You will be given a definition of a task first, then some input of the task.
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: Infestation. Sentence 1: Daniel was moving to a new house. Sentence 2: He made the arrangements and showed up two hours early with his truck. Sentence 3: He decided to take a look around the property. Sentence 4: He noticed thousands of bugs crawling inside the house. Choices: a. One puppy died and three were alive. b. Daniel was thankful he noticed before signing all the legal papers.
Output:
b