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: David and Sarah were friends during childhood. Sentence2: When they went to college, each moved to a different town. Sentence3: Sarah received an unexpected call from David on Friday. Sentence4: They had dinner and talked about their lives.
Sarah was glad they were able to catch up.