Sentence 1: In practice , a teredo client must contact the native IPv6 - Teredo - Relay , if it wants to locate a corresponding node , d .
Sentence 2: In practice , when a Teredo client wants to locate a corresponding node , it must contact the native IPv6 Teredo relay , `` i.e .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?