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: Tree Climber. Sentence 1: Mike and his friends were playing soccer at a park. Sentence 2: But the ball got kicked high into a tree. Sentence 3: Mike had climbed trees before and decided to get the ball. Sentence 4: As he was halfway up, a gust of wind knocked the ball down. Choices: a. But Mike was blown off the tree too. b. The peanuts inside of the good gave me an allergic reaction.
A:
a