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We knew how good we were the whole time , '' said the Florida sophomore Joakim Noah , who is the son of the former professional tennis star Yannick Noah . ''
 children: Yannick Noah, Joakim Noah
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:  Yannick Noah, Joakim Noah 
Answer:
 children: Yannick Noah, Joakim Noah