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