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: The Party. Sentence 1: Jennifer was turn twelve on the same day as her best friend. Sentence 2: The two decided to throw a party together on the same day. Sentence 3: Her friend wanted a clown theme birthday party. Sentence 4: Jennifer disagreed with this idea she wanted an outer space theme. Choices: a. Comprising they threw a clown in space theme birthday party. b. She took the puppy home that day.
a