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: No Love. Sentence 1: Terena had a job interview in California. Sentence 2: At the airport, she learned her flight was delayed. Sentence 3: She was going to miss the interview! Sentence 4: She told the Delta desk agent. Choices: a. He surprised her with a Christmas bonus! b. The desk agent didn't care.

Ex Output:
b

Ex Input:
Title: The Band. Sentence 1: Courtney loved playing the trumpet. Sentence 2: She joined the school band. Sentence 3: She practiced every day for an hour. Sentence 4: The band had practice every morning. Choices: a. Courtney loved playing with all her classmates. b. The boss offered Bob a raise- much larger than the one Bob had wanted!

Ex Output:
a

Ex Input:
Title: New frontier. Sentence 1: Kelley loved the outdoors. Sentence 2: She decided to move to a place where that was fostered. Sentence 3: She packed her stuff and went on the road. Sentence 4: When she arrived in Colorado she decided to stay. Choices: a. She made a thousand at the end of the day. b. It was great for her.

Ex Output:
b