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The fund-raisers include Hurray , Doveman and Stars Like Fleas tonight ; Smokey and Miho with Billy Martin on Saturday ; Yoko Ono and Sean Lennon on Feb. 19 , and the duo of Mr. Lennon and Vincent Gallo on Feb. 24 .
 children: Yoko Ono, Sean Lennon
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:  Yoko Ono, Sean Lennon 
Answer:
 children: Yoko Ono, Sean Lennon