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 kids were very excited about christmas. Sentence2: They have been good all year. Sentence3: They sent a letter to Santa. Sentence4: Santa responded back in the mail.

They framed the letters and kept them for years,