Sentence 1: One of the triassic rocks used in Radyr is '' Radyr Stone `` , a Freestone which , as the name suggests , is mined in the Cardiff district .
Sentence 2: One of the triassic rocks used in Cardiff is '' Radyr Stone `` , a Freestone which , as the name suggests , is mined in the Radyr district .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?