Q: 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: Different Sports. Sentence 1: Bob put his son in basketball in the third grade. Sentence 2: His son was talent and aggressive. Sentence 3: Although he kept tackling the other players for the ball on the court. Sentence 4: He ended up fouling out of every game. Choices: a. Bob realized he needed to get his son into football instead. b. Three months later his trial ended but Alex signed up for life.
A:
a