Detailed Instructions: 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: MMA life. Sentence 1: Morgan had strong prospects in the UFC. Sentence 2: His fighting style was largely based on boxing. Sentence 3: When he fights wrestlers, he often struggles, but he's training hard. Sentence 4: He knew that if he couldn't defend on the ground, he wouldn't go far. Choices: a. Morgan managed to defend well in his next fight against a wrestler. b. She became a rookie cop at the local police department.
A:
a