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Samuel David Moore ( born October 12 1935 ) is an American Southern soul and rhythm blues ( ) singer who was the tenor vocalist for the soul vocal duo  Sam Dave  from  1961  to 1981 .
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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: 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:
 NA: Sam Dave, 1961