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.
Q: 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.
A:
They framed the letters and kept them for years,