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 Shoes. Sentence 1: Kim had an amazing closet. Sentence 2: Her shoe collection was the envy of all of her friends. Sentence 3: She bought seven more pairs of shoes this weekend. Sentence 4: Kim liked to go in her closet and try them all on. Choices: a. Doctors told her it was not serious injury. b. She could give up anything in her life, just not her shoes.

Ex Output:
b

Ex Input:
Title: Rain. Sentence 1: Regina loves the rain. Sentence 2: She decided to finish her book while it rained today. Sentence 3: Regina managed to finish five chapters. Sentence 4: But the rain was so soothing that she fell asleep. Choices: a. Although she didn't finish her book, she was happy with her nice nap. b. He heads to Atlanta to have fun and sin.

Ex Output:
a

Ex Input:
Title: Frustration. Sentence 1: He slammed his keyboard in anger. Sentence 2: The battery had gone out again. Sentence 3: It was a critical moment in his work day. Sentence 4: He could not find replacement batteries. Choices: a. He decided to give up on the whole day. b. I asked what the heck that was supposed to mean.

Ex Output:
a