Definition: 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.
Input: Sentence1: Ron wanted to learn how to sing. Sentence2: But he didn't want anyone to know. Sentence3: So Ron practiced in private. Sentence4: One day, Ron's sister saw him singing.

And she complimented his voice.