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: Ted was terrified of flying, but he had to make a business trip. Sentence2: While boarding the plane, he thought about airplanes crashing. Sentence3: He was fine at first, then the plane started rocking and shaking. Sentence4: Greg was terrified and believed he would die.

When the turbulence stopped, Greg realized how lucky he was.