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.
Q: Title: Principle. Sentence 1: The principal made an announcement. Sentence 2: The children listened. Sentence 3: The children followed the principles instructions. Sentence 4: The principle appreciated that. Choices: a. The duck was a great companion. b. The principle gave the children an extra half hour for recess.
A:
b