3581
Florida  's Charlie Crist is running to succeed retiring Republican Sen.  Mel Martinez  next year and could well have a presidential bid in the future .
 employee of: Florida, Mel Martinez
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
 Entity Pairs:  Florida, Mel Martinez 
Answer:
 employee of: Florida, Mel Martinez