Sentence 1: Charles Sutcliffe , the Beatles ' biographer , wrote that Philip Norman was a heavy drinker and physically cruel to his wife , which was observed by the young Sutcliffe .
Sentence 2: Philip Norman , the Beatles ’ biographer , wrote that Charles Sutcliffe was a strong drinker and physically cruel to his wife , which the young Sutcliffe had observed .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?