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: Justin's classmate was having a birthday. Sentence2: He went with his mom and bought a gift. Sentence3: Then, he got to the party. Sentence4: At the party, they played games and ate cake.

When it was over, Justin went home.