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.

Ex Input:
Title: The Athlete. Sentence 1: There once was a runner who was great at his sport. Sentence 2: He could outrun everyone. Sentence 3: However, his son grew up to be almost as fast as him. Sentence 4: When he finally raced his son, he cheated to win. Choices: a. It turns out, I could easily afford the new place. b. He felt awful in the end.

Ex Output:
b

Ex Input:
Title: Sleeping Beauty. Sentence 1: Daniel crept into the bedroom to check on his daughter. Sentence 2: She was sleeping peacefully in her crib. Sentence 3: He knew he should let her sleep, but he couldn't help himself. Sentence 4: He tiptoed over and gave her a kiss. Choices: a. She put them in the freezer and will have homemade popsicles in 1 hour. b. She opened her eyes and smiled at him, then went back to sleep.

Ex Output:
b

Ex Input:
Title: Boxer. Sentence 1: Tom was a low-level middleweight boxer. Sentence 2: Tom had won some fights but was no one famous. Sentence 3: Tom got a big break, a chance to fight a champion. Sentence 4: Tom trained like he never trained before. Choices: a. Tom defeated the champ! b. They couldn't wait to see what had happened!

Ex Output:
a