2550
The title-challenge had gone down to the wire with 28-year-old Aoyama taking a 21-point lead over  Italy  's  Marco Simoncelli  into the race .
 countries of residence: Italy, Marco Simoncelli
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:
 countries of residence: Italy, Marco Simoncelli