Sentence 1: It consists of two parts , Zemendorf and Stöttera , both upstream of Pöttelsdorf and downstream from Antau on the Wulka .
Sentence 2: It consists of two parts , Zemendorf and Stöttera , which are both downstream from Pöttelsdorf and upstream of Antau on the Wulka .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?