Instructions: 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.
Input: Title: Mints. Sentence 1: Ki was training her horse to do tricks. Sentence 2: At first she had a hard time getting him to listen. Sentence 3: Then she began to reward him with mints. Sentence 4: Ki's horse loved mints! Choices: a. She decided to flip a coin to decide! b. Soon she was able to train him to do a dozen tricks - for mints!
Output:
b