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: Terry the Typist. Sentence 1: Terry is a professional typist. Sentence 2: Today, he was in for a long day. Sentence 3: He had to type a whole 500 page book in three hours. Sentence 4: Terry typed away and was getting blisters on his fingers. Choices: a. She hadn't known how far she was from home! b. He finished typing the book with a few minutes to spare.

Ex Output:
b

Ex Input:
Title: The Bowling Pin. Sentence 1: Liam and his friends loved going bowling. Sentence 2: They had a tournament amongst themselves every year. Sentence 3: This year, Liam bowled a perfect game! Sentence 4: He got to take home the bowling pin trophy. Choices: a. Liam started practicing for next year as soon as he got home. b. He came home from school to find she'd thrown out his bottle caps.

Ex Output:
a

Ex Input:
Title: Janice Travels to Nevada. Sentence 1: Janice had always wanted to take a trip to Nevada. Sentence 2: After saving up money, she finally booked her trip. Sentence 3: She was very excited on the flight to Nevada. Sentence 4: On her trip she tried a lot of delicious food. Choices: a. She opened her eyes and smiled at him, then went back to sleep. b. Janice as glad that she had finally had a trip to Nevada.

Ex Output:
b