67897
The three titles she won at the WTA Tour Championships are tied for the fifth-most in history behind only Martina Navratilova , Steffi Graf , Serena Williams , and Chris Evert .
 person: Martina Navratilova; person: Steffi Graf; person: Serena Williams; person: Chris Evert
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: Martina Navratilova, Steffi Graf, Serena Williams, Chris Evert 
Answer:
 person: Martina Navratilova; person: Steffi Graf; person: Serena Williams; person: Chris Evert