14117
The third he asked Wu Bochao for help later in 1927 after school.The forth he became a student of  Liu Tianhua  ( simplified Chinese : a national musical instrument composer ) officially from 1  929 t  o 1932 .
 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: Liu Tianhua, 929 t