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In the mid-1970s Larry Graham worked with  Betty Davis  the second ex-wife of jazz legend  Miles Davis  .
 spouse: Betty Davis, Miles Davis
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: 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} 
 Entity Pairs:  Betty Davis, Miles Davis 
Answer:
 spouse: Betty Davis, Miles Davis