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.
Q: Title: Sweet Almost Sixteen But Now Really. Sentence 1: Becca was twenty eight. Sentence 2: It was her birthday next week and she was feeling down. Sentence 3: She always wanted a sweet sixteen party like the celebrities have. Sentence 4: She felt the ship had sailed though. Choices: a. Her friends threw her a surprise sweet 16 themed party. b. He put on a fake sick voice and left his ex an apology voicemail.
A: 
a