Given the task definition and input, reply with output. 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.

Sentence1: Richard and his family were in charge of an ancient mesopotamian site. Sentence2: A terror group began to close in on their town, worrying Richard. Sentence3: Richard and his family decided to abandon the site and fled. Sentence4: The terror group took over the town and found the ancient temple.
Richard found out a few days later that the group destroyed the site.