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-LRB- Chinen -RRB- DAVID LIEBMAN 60TH-BIRTHDAY CELEBRATION -LRB- Tonight and tomorrow night -RRB- Mr. Liebman , an incantatory saxophonist and flutist working in the idiom established by John Coltrane , caps off his birthday celebration at Birdland with a big band directed by the saxophonist and educator Gunnar Mossblad -LRB- tonight -RRB- and a tribute to the music of Coltrane and Miles Davis , featuring Ravi Coltrane on tenor and soprano saxophone , Randy Brecker on trumpet , Phil Markowitz on piano , Cecil McBee on bass and Adam Nussbaum on drums -LRB- tomorrow -RRB- .
 children: John Coltrane, Ravi Coltrane
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:  John Coltrane, Ravi Coltrane 
Answer:
 children: John Coltrane, Ravi Coltrane