14787
Pacquiao knocked out England's  Ricky Hatton  in the second round last month at  Las Vegas  serving notice to Mayweather on the day the US fighter announced his return from retirement .
 None
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 NA: Ricky Hatton, Las Vegas