37942
On September 14 , 1991 , at a Mr. Olympia contest , he squared off face to face with his greatest rival Anthony Clark to determine who the greatest bench presser of the world was .
 person: Anthony Clark
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Anthony Clark 
Answer:
 person: Anthony Clark