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: The family took the Christmas tree and lights out of storage. Sentence2: The father tested the lights. Sentence3: Three of the strands were burned out. Sentence4: The mother went to the store and bought more lights.

The family was finally able to decorate the Christmas tree.