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: Salesman. Sentence 1: Bill got a new job as the company inside sales person. Sentence 2: Bill had never made a sale over the telephone before. Sentence 3: Bill read several books on how to sell product over the phone. Sentence 4: Bill began to implement the techniques he learned from reading. Choices: a. Now Bill is making several sales a day! b. He had to see the doctor and suffered from a concussion.

Ex Output:
a

Ex Input:
Title: Cat Lover. Sentence 1: Jake neighbor had a cat roaming around their house. Sentence 2: The neighbor wanted the cat gone. Sentence 3: He was going to take him to a shelter. Sentence 4: Jake offered to take the cat. Choices: a. Now, Jake has a new cat at his house. b. A big jellyfish stood at her feet so she ran away crying.

Ex Output:
a

Ex Input:
Title: Hen House. Sentence 1: My grandmother loved her hen house. Sentence 2: She fed the chickens every day. Sentence 3: One day my uncle accidentally burned it down. Sentence 4: She was very angry. Choices: a. Almost 70 years later, she still hasn't forgiven him. b. I am so glad I read Herb Kent kool gent book while he was still alive.

Ex Output:
a