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: Full Closet. Sentence 1: Tom was trying to pick out clothes. Sentence 2: He had trouble finding anything he wanted to wear. Sentence 3: He also noticed his closet was really full. Sentence 4: Tom decided to get rid of a lot of his old clothes. Choices: a. He was never able to pay it back. b. It freed up a lot of closet space.

Ex Output:
b

Ex Input:
Title: The Love Letter. Sentence 1: Kevin was playing a joke on his sister. Sentence 2: He wrote a love letter and signed it from her crush. Sentence 3: Kevin slipped the note in her backpack. Sentence 4: His sister read the note. Choices: a. She recognized Kevin's handwriting and was mad at him. b. She made Kennedy help her clean the dresser.

Ex Output:
a

Ex Input:
Title: Movie Fan. Sentence 1: Tina loves movies. Sentence 2: She's watched several thousand movies in her spare time. Sentence 3: One day she decided to blog about her love of movies. Sentence 4: Tina got lots of followers on her website. Choices: a. They set their sights on an even better showing next year. b. Now, Tina gets movie screeners because of her famous blog.

Ex Output:
b