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: A week before Christmas, Abby and her family got together. Sentence2: They went to a local nursing home, wearing Santa hats. Sentence3: They went from room to room, singing Christmas carols. Sentence4: Some of the patients sang with them.

They all had a very memorable time together.