18002
Bob Barker was the series ' longest-running host from its 1972 debut until his retirement in June 2007 , when Drew Carey took over .
 person: Bob Barker; person: Drew Carey
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: Bob Barker, Drew Carey 
Answer:
 person: Bob Barker; person: Drew Carey