With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A mole is used as a causeway that allows people to cross water.
text_B: In modern usage , a causeway is a road or railway on top an embankment usually across a broad body of water or wetland .. embankment. embankment ( transportation ). body of water. body of water. wetland. wetland
related.