192989
He played tennis throughout his time there , participating in the 1952 U.S. National Championships , 1953 U.S. National Championships , 1954 U.S. National Championships , 1955 U.S. National Championships , 1956 U.S. National Championships , and 1957 U.S. National Championships .
 None
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:  
Answer:
 None