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: Kenneth had not spoken with his mother in 15 Year's. Sentence2: They had both forgotten why they had started fighting. Sentence3: Finally Kenneth called his mother to talk. Sentence4: They were both relieved to speak with each other.

Kenneth decided never to allow another argument last so long.