Sentence 1: Until 6 February 2006 , when Stephen Harper was sworn in as Prime Minister , he was Minister of Labour in Paul Martin 's minority government .
Sentence 2: He served as Minister of Labour in Paul Martin 's minority government until February 6 , 2006 , when Stephen Harper was sworn in as Prime Minister .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?