In this task, you're given a four sentences of story written in natural language. Your job is to complete end part of the story by predicting appropriate last sentence which is coherent with the given sentences.
Q: Sentence1: Burt was in charge of fireworks for the town fair. Sentence2: He was nervous because it was his first time. Sentence3: He loaded in a large firework and prepared to fire it. Sentence4: Once he launched it it only went 20 feet up.
A:
Burt looked at it for a second and then jumped for cover.