Read the following article and select the best answer. Article: Moscow,Russia(Space news)-"The computer is a better chess player,"insisted Viktor Prozorov,the loser ." It seemed as if it were laughing after every good move.I know I should have beaten it for the sake of mankind ,but I just couldn't win," he announced and shook his head sadly. Prozorov's disappointment was shared by several grand masters who were present,some of whom were so upset that they shouted at the machine.Many chess players said that this meant the end of chess championships around the world,since the fun had been taken out of the game. The computer walked-or rather,rolled-away with 5,000 dollars in prize money and limited its remarks to a set of noises and light. Question: What was it that Prozorov felt most bitter about? - That he didn't win the$5,000. - That he hadn't tried his best. - That he had lost to a machine. - That this was the end of the chess game.
The answer to this question is:
That he had lost to a machine.