Multi-choice question: Same meaning?
It consists of two parts , Zemendorf and Stottera , both of which lie on the River Wulka downstream from Pottelsdorf and upstream from Antau .
It consists of two parts , Zemendorf and Stottera , which are both downstream from Pottelsdorf and upstream of Antau on the Wulka .

Choices: (A). no (B). yes
(B).