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: Ballet Class. Sentence 1: One day Gina decided to enroll in a ballet class. Sentence 2: She started having fun the very first day. Sentence 3: She got better as she took more classes. Sentence 4: Eventually she competed in a tournament. Choices: a. She ended up winning! b. But she ended up having a lot of fun!

Ex Output:
a

Ex Input:
Title: Special Delivery. Sentence 1: Caleb got his first car for his 16th birthday. Sentence 2: It was decided he would work a part time job. Sentence 3: He needed his own money for things like gas and insurance. Sentence 4: The very first job he applied to he got. Choices: a. She was left with bowls and trays full of unusable sludge. b. He ended up delivering pizzas and had a blast.

Ex Output:
b

Ex Input:
Title: Real Manicure. Sentence 1: Robbie worked as a lumberjack. Sentence 2: For his birthday, his wife gave him a gift certificate for a manicure. Sentence 3: Robbie didn't really want a manicure, but he went to make her happy. Sentence 4: When his lumberjack friends found out, they made fun of Robbie. Choices: a. At Christmas, Robbie gave his friends gift cards for manicures. b. They were sad that the restaurant closed, but they had fond memories.

Ex Output:
a