Detailed Instructions: 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: Francisco hadn't seen his mother in Years. Sentence2: He saved up money diligently for the flight to her home in Iowa. Sentence3: Finally the day had come for Francisco to fly to Iowa. Sentence4: He and his mother were very happy to see each other.
A:
Francisco promised he would never wait so long to see her again.