6811
On 19 January 2011 pianist Lang Lang played the theme song of this movie at a White House state dinner for Chinese  President   Hu Jintao  .
 title of person: President, Hu Jintao
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:
 title of person: President, Hu Jintao