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: Dave moved to Europe last year but was now returning for a visit. Sentence2: He was close to his family and had not seen them in over a year. Sentence3: He knew he would enjoy being back home. Sentence4: He was worried about one thing, though.

After being home again, he knew that leaving again would not be easy.