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 liked surfing the web. Sentence2: He was on a mission to see everyone's website. Sentence3: While watching a movie online, he saw an ad that demanded attention. Sentence4: The ad was about ten rare diseases that would gross out anyone.

Charles clicked the ad and his computer was taken over by a virus.