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: Charles was high up in the Agriculture Department. Sentence2: He heard from the news someone was sick after eating beef. Sentence3: The media reported Mad Cow Disease was going around. Sentence4: Charles began researching the incident.

The president of America called Charles to hear what was going on.