Sentence 1: After this transformation , the Kansa ( sometimes Kaw ) and Osage Nation ( originally Ouasash ) arrived in Kansas in the 17th century .
Sentence 2: Following this transformation , the Kansa ( sometimes Kaw ) and Osage Nation ( originally Ouasash ) arrived in Kansas in the 17th century .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?