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: Cleaning Day. Sentence 1: Roy had a party today but the house was a mess. Sentence 2: He went to the store to buy some cleaning supplies. Sentence 3: He cleaned the entire house. Sentence 4: Once the house was clean he set up the party. Choices: a. They evacuated everybody and Clyde was safe with a good story to tell. b. He and his friends had a great time.
Output:
b