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Rufus Wainwright sang his own '' Liberty Cabbage '' -- a nod to the '' freedom fries '' of an earlier time , a name for sauerkraut coined by Woodrow Wilson 's Committee of Public Information during World War I. Then , getting into allegory , he ran through Leonard Cohen 's '' Hallelujah '' -LRB- so much of the evening was about religion , in one way or another -RRB- , and with his mother , Kate McGarrigle , accompanying him on piano , '' Over the Rainbow . ''
 children: Kate McGarrigle, Rufus Wainwright
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Kate McGarrigle, Rufus Wainwright 
Answer:
 children: Kate McGarrigle, Rufus Wainwright