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: New fridge. Sentence 1: Kimi wanted a new fridge. Sentence 2: Her landlord told her it was not necessary. Sentence 3: He bought a raffle ticket for a new fridge at a charity event. Sentence 4: Her number was picked as the winner. Choices: a. When people asked her if she got it done though she denied it. b. She got a new fridge despite her landlord.

Ex Output:
b

Ex Input:
Title: Matt. Sentence 1: I knew a strange kid named Matt in elementary school. Sentence 2: Other kids would bully Matt because he was so different. Sentence 3: One day I saw Matt being bullied on the playground. Sentence 4: Suddenly, Matt took a swing at the bully, hitting him in the face. Choices: a. Matt never got bullied again. b. Claire sold her piece for a thousand dollars!

Ex Output:
a

Ex Input:
Title: Starting School. Sentence 1: Nathan is going to school today. Sentence 2: This is Nathan's first day at school, ever. Sentence 3: Nathan makes friends with several other children. Sentence 4: Nathan likes to play outside with his new friends. Choices: a. Don was able to get the stain out and keep wearing it. b. Nathan is very happy to have gone to school.

Ex Output:
b