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.

Example Input: Title: The Crush. Sentence 1: Justin had a crush on Kate from the moment he saw her at school. Sentence 2: Kate always smiled and said hello, but Justin could only blush. Sentence 3: At the school dance, Justin saw Kate sitting quietly by herself. Sentence 4: Summoning every bit of his courage, Justin asked her to dance. Choices: a. Kate said yes. b. After that they played some duets with teacher.
Example Output: a

Example Input: Title: Woods. Sentence 1: Andy wanted to get away for a little while. Sentence 2: He packed his things into a suitcase. Sentence 3: He then took a plane to Albany. Sentence 4: There he went camping in the woods. Choices: a. It was an enjoyable experience for him. b. We all ended up wanting to go to China after hearing her experiences.
Example Output: a

Example Input: Title: Billy's shoes. Sentence 1: Billy was playing outside. Sentence 2: He tripped over a rock. Sentence 3: Both of his shoes came off. Sentence 4: He picked up both shoes. Choices: a. He put his shoes back on his feet. b. Ended up going out as a team afterwards!
Example Output:
a