Given the task definition and input, reply with output. 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.

Sentence1: Chuck watched as the number of hits diminished. Sentence2: Be had to work fast while maintaining quality. Sentence3: He struggled to come up with a story idea. Sentence4: Suddenly he realized that that in itself is a story idea.
Chuck felt the muse flow back in as he began writing again.