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: Gary wanted to start a Youtube channel. Sentence2: He started by making funny reaction videos. Sentence3: By the end of the week he had 20 videos uploaded. Sentence4: He didn't think people would watch them.

But eventually, he got 20,000 subscribers!