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: Sue and Madonna. Sentence 1: Sue always adored the pop-star Madonna. Sentence 2: She grew up singing Madonna's songs and going to all her concerts. Sentence 3: Then Sue got backstage passes for a Madonna concert for her birthday. Sentence 4: And when Sue finally met Madonna briefly, Madonna was rude to her. Choices: a. John and Tim became good friends. b. Sue was so disappointed that her idol wasn't what she thought she was.
A: 
b