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: Soccer Practice. Sentence 1: I drop my son off at his soccer practice. Sentence 2: I go back to my car and watch the practice. Sentence 3: He struggles with a few of the drills, but he's having a lot of fun. Sentence 4: At the end of practice he doesn't want to come home, he wants to stay. Choices: a. What fun to see youthful exuberance. b. Bernie passed away later that day on his 100th birthday.
A:
a