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 secret relationship. Sentence 1: While at work two people met. Sentence 2: Their job's rule book told them they couldn't date. Sentence 3: The two were madly in love with each other. Sentence 4: In order to date they decided to come up with fake names. Choices: a. Gretchen and Earl are very happy together. b. Gordon returned home with an honorable discharge.

Ex Output:
a

Ex Input:
Title: Jackie's Cookies. Sentence 1: Every evening, Jackie ate cookies after dinner. Sentence 2: Her favorite cookies were chocolate chip. Sentence 3: One day, she accidentally bought cookies with raisins. Sentence 4: She didn't enjoy the taste of those cookies at all. Choices: a. He then told her she really needed to stop chewing on her pens. b. Jackie decided to give the raisin cookies to her neighbors.

Ex Output:
b

Ex Input:
Title: The Teacher. Sentence 1: Mrs Jones was nervous. Sentence 2: She was starting her first day of teaching! Sentence 3: She practiced what she would say to her class. Sentence 4: She marched in with a big smile on her face. Choices: a. She was determined to make it a good year! b. When she won, she was very surprised, but none of her neighbors were!

Ex Output:
a