11911
On November 28 2007 the Chamber Orchestra at  Hilliard   Davidson High School  held a benefit concert for the children of Uganda which are suffering from a twenty year war that has ravaged their country .
 alternate names: Hilliard, Davidson High School
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:
 alternate names: Hilliard, Davidson High School