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Alexander Stirling Calder  ( January 11 1870 in Philadelphia Pennsylvania January 7 1945 ) was an  American  sculptor and teacher .
 origin: Alexander Stirling Calder, American
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:  Alexander Stirling Calder, American 
Answer:
 origin: Alexander Stirling Calder, American