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: Necklace. Sentence 1: I joked with my friend that I was a princess. Sentence 2: She called me the wicked witch of the west. Sentence 3: A few weeks later I got a package. Sentence 4: Inside was a jewelry container. Choices: a. It held a little princess crown on a chain. b. He had a wonderful nap in the afternoon sun.

Ex Output:
a

Ex Input:
Title: Dog. Sentence 1: Jeff wanted a dog. Sentence 2: His wife also wanted a dog. Sentence 3: They researched dogs together and decided on a German Shepard. Sentence 4: They adopted a black German Shepherd named Lucy. Choices: a. Lucy is loving her new life at their house. b. She told him she didn't want him anymore and that it was over.

Ex Output:
a

Ex Input:
Title: Moving Day. Sentence 1: It was the end of an era. Sentence 2: John and Jim were moving out of their old place. Sentence 3: They had lived their all throughout college. Sentence 4: The move was bittersweet. Choices: a. The new house was going to be great. b. Stan was happy that he had found love.

Ex Output:
a