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: Grounded. Sentence 1: She was being very disrespectful. Sentence 2: She told her father she was going to do whatever she wanted. Sentence 3: He was angry, and told her she was grounded. Sentence 4: He also took away her favorite stuffed animal. Choices: a. She decided she'd better start acting right, and apologized. b. Rick was happy he no longer had to wash dishes by hand.

Ex Output:
a

Ex Input:
Title: The Grocery Store. Sentence 1: Adam needed a few things for dinner. Sentence 2: He ran to the grocery store. Sentence 3: He found all sorts of things he didn't mean to buy. Sentence 4: He loaded up his bags and took the things home. Choices: a. He told his friends about the experience. b. The grocery store was a dangerous place for him!

Ex Output:
b