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Oliver Tobias  ( born 6 August 1947 ) is a UK-based film stage and television actor and director Born Oliver Tobias Freitag in  Switzerland  he is the son of Austrian-Swiss actor Robert Freitag and German actress Maria Becker .
 country of birth: Oliver Tobias, Switzerland
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:  Oliver Tobias, Switzerland 
Answer:
 country of birth: Oliver Tobias, Switzerland