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.

Example Input: Title: Flap. Sentence 1: The flap hung down at an odd angle. Sentence 2: The seamstress bought new material to replace it. Sentence 3: She ripped off the old flap. Sentence 4: She sewed on the new piece she'd cut out. Choices: a. She smiled with satisfaction at the job well done. b. Jodie decided not to ski and used her afternoon to build a snowman.
Example Output: a

Example Input: Title: Carpenter. Sentence 1: Lewis had always wanted to be a carpenter. Sentence 2: It had been a dream ever since he was a kid. Sentence 3: One day, he decided to do well in school. Sentence 4: After succeeding, he was able to get a degree. Choices: a. Ford was able to buy his dream car. b. Now, Lewis is a carpenter and he is happy.
Example Output: b

Example Input: Title: Randy gets the girl. Sentence 1: Randy has a crush on a girl from his school. Sentence 2: He is very nervous about trying to ask her out. Sentence 3: One day he decides he has to make his move. Sentence 4: One day at Lunch he decides to sit down beside her. Choices: a. While tempting, Jason declined and decided it was not worth it. b. Randy asks her to go out with her and she replied yes!
Example Output:
b