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The  Boston Celtics  took advantage of the absence of Cavaliers star LeBron James to edge Cleveland 98-96 Sunday in a  National Basketball Association  contest .
 Boston Celtics, National Basketball Association
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 Boston Celtics, National Basketball Association