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: 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.

Francisco promised he would never wait so long to see her again.