Sentence 1: Luk or Loke is the Chinese romanization of several ( but not all ) Cantonese surnames , which are romanized as Lu in Mandarin .
Sentence 2: Luk or Loke is the Cantonese romanization of several ( but not all ) Chinese surnames that are romanized as Lu in Mandarin .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?