In this task, you're given the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story such that it seamlessly connects with the rest of the story.

Title: The Yoyo. Sentence 1: Dennis had a new toy. Sentence 2: It was a yoyo! Sentence 3: He wanted to learn how to do lots of trips. Sentence 4: He watched youtube videos on it for an hour.
He quickly learned how to do some really cool things!