Sentence 1: After a two-year stint in Chicago , Doss commenced his professional career in January 1986 as a member of the Metropolitan Opera in New York City .
Sentence 2: After a two-year stint in Chicago , Doss began his career in January 1986 as a member of the Metropolitan Opera in New York City .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?