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PAGE A14 Yoko Ono 's Driver Arrested A driver for Yoko Ono was charged with trying to extort $ 2 million from her and threatening to kill her and her son , Sean Lennon , the police said .
 children: Yoko Ono, Sean Lennon
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: 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} 
Answer:
 children: Yoko Ono, Sean Lennon