Sentence 1: However , when the local government changed political sides , Cerdà 's plan was discarded and as the new government held a project competition which Cerdà lost .
Sentence 2: However , when the new government changed political sides , Cerdà 's plan was rejected and when the local government held a project competition , which Cerdà lost .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?