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: Getting Fired. Sentence 1: Tom was late for work. Sentence 2: He had been warned about always being late. Sentence 3: Tom tried to call in to let them know what happened. Sentence 4: Unfortunately his boss couldn't put up with it any longer. Choices: a. The box cutter made it so easy they were done in a hour. b. That was Tom's last day at the job.
Example Output: b

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: Scalped Ticket. Sentence 1: Tim wanted to go to a concert. Sentence 2: Tickets sold out right away. Sentence 3: He decided to get some online. Sentence 4: They were may more expensive and the seller seemed shady. Choices: a. John's buddies teased him terribly for that! b. Security at the concert informed him that they were counterfeit.
Example Output:
b