Sentence 1: The Mitchell Nimbus is a series of American , high-seat , single-wing gliders that was designed by Don Mitchell in the 1950s .
Sentence 2: The Mitchell Nimbus is a series of American , high-seat , single-wing gliders designed by Don Mitchell in the 1950s .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?