input: Text: (B) The plague’s true cause is never revealed. Just as Charles suspects at the time of his death, the fall of the human race is completely unreasonable and meaningless. (C) The plague was facilitated by aliens, described as invisible, ovular beings. Their purpose is to exterminate all of Earth’s life in order to start their own planetary garden. (D) The plague was facilitated by aliens, described as invisible, ovular beings. Their purpose is to move from planet to planet exterminating living systems. "Phone Me in Central Park" By JAMES McCONNELL There should be an epitaph for every man, big or little, but a really grand and special one for Loner Charlie. Charles turned over on his side to look at her. She lay quietly in the other bed, the most beautiful woman he had ever seen. She was blonde to perfection, exquisitely shaped, and the rich promise of her body was exposed to his view. "Why?" he thought as he looked at her. "Why did it have to happen like this?" The whole thing was still like a dream to him, and as yet he couldn't decide whether it was a good or a bad dream. A year ago she had been unattainable, a face to conjure with in erotic dreams, far beyond his ken. A year ago she had been a public idol, the most popular actress of the day. And he had been a nobody, full of a nobody's idle hopes and schemes. And now he was lying in the bed next to hers in her swank Manhattan apartment in the most exclusive hotel in town. The unrealness of the situation overwhelmed him. His mind was a picture of confused thoughts. Meanings and answers to his questions slithered out of his reach. "God," he said. It was not an exclamation, nor yet an expletive. It was a mere statement of fact. A thought teased at
  Question: What is the true cause of Earth’s “plague” and what is its purpose?
  
   (A) The plague was facilitated by aliens, described as invisible, ovular beings. Their purpose is to clear Earth of all life and start their own colony. 
  Answer:
output: The plague was facilitated by aliens, described as invisible, ovular beings. Their purpose is to move from planet to planet exterminating living systems.