With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A quarry is where dimension stone is excavated.
text_B: A quarry is a place from which dimension stone , rock , construction aggregate , riprap , sand , gravel , or slate has been excavated from the ground .. dimension stone. dimension stone. rock. rock ( geology ). construction aggregate. construction aggregate. riprap. riprap. sand. sand. gravel. gravel. slate. slate. A quarry is the same thing as an open-pit mine from which minerals are extracted .. open-pit mine. open-pit mining. minerals. minerals. The only non-trivial difference between the two is that open-pit mines that produce building materials and dimension stone are commonly referred to as quarries .. dimension stone. dimension stone. The word quarry can also include the underground quarrying for stone , such as Bath stone .. Bath stone. Bath stone
related.