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In game one , Tom Seaver faced Jack Billingham in a classic pitching duel , with all three runs of the 2 – 1 margin being scored on home runs .
 person: Tom Seaver; person: Jack Billingham
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: Tom Seaver, Jack Billingham 
Answer:
 person: Tom Seaver; person: Jack Billingham