Definition: 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: Friends. Sentence 1: Michael was bored. Sentence 2: He decided to go to Shelby's house. Sentence 3: Michael rode his bicycle to Shelby's house. Sentence 4: They had fun playing together. Choices: a. After they played, Michael came home. b. She ended up sleeping with her mom and dad.
Output:
a