(Table: Players 1 and 2 I) The table shows the payoffs from the game rock-paper-scissors. 
Which of the following statements is (are) TRUE?
I. There is no pure-strategy Nash equilibrium.
II. The Nash equilibria are (rock, rock) , (paper, paper) , and (scissors, scissors) .
III. The mixed-strategy Nash equilibrium is for each player to randomly select each strategy one-third of the time.
Definitions:
Surgeon
A physician who uses hands and medical instruments to diagnose and correct deformities and treat external and internal injuries or disease.
Urologist
A medical doctor specializing in diseases and conditions affecting the urinary system and the male reproductive organs.
Gynecologist
A specialist who performs routine physical care and examinations of the female reproductive system.
Orthopedics
The branch of medicine dealing with the correction of deformities of bones or muscles.
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