16921
He succeeded Buck Martinez on June 3 , 2002 , served the entire season , and was replaced by John Gibbons on August 8 , 2004 , after compiling a 191&ndash ; 191 win-loss record ( .
 person: Buck Martinez; person: John Gibbons
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: Buck Martinez, John Gibbons 
Answer:
 person: Buck Martinez; person: John Gibbons