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 Tile. Sentence 1: The family was building a new home. Sentence 2: THey were picking out the tile for their kitchen. Sentence 3: They selected a shiny granite. Sentence 4: It would look great next to their cabinets! Choices: a. They couldn't wait until their home was finished. b. When the power came on, I walked into the living room.

Ex Output:
a

Ex Input:
Title: Maria Orders Food. Sentence 1: Maria was ordering some food from a new Nepalese restaurant. Sentence 2: Maria looked at the online menu. Sentence 3: She decided that she wanted an order of Momo and a small salad. Sentence 4: Maria added the items to the online ordering menu. Choices: a. Now Ricky lives alone and is happy. b. She paid for the items and placed the order for pickup.

Ex Output:
b

Ex Input:
Title: The Nightly Knocker. Sentence 1: When I was a child someone would knock on the door. Sentence 2: They would do it all night long. Sentence 3: My mom and sister laid there like they were frozen in fear. Sentence 4: I wondered why they didn't get up to see who it was or call the cops. Choices: a. I decided that I want to live a life that calls my attention every day. b. When I asked them why, they would tell me to be quiet.

Ex Output:
b