2173
 Things were that casual throughout '' The Wainwright Family & Friends Christmas Show , '' where Rufus and his sister , Martha Wainwright , took over an annual event that used to be headlined by two songwriters from the previous generation : his mother , Kate McGarrigle , and her sister Anna . 
 children: Kate McGarrigle, Martha Wainwright
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: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 children: Kate McGarrigle, Martha Wainwright