With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A quarry is where only lead has been excavated.
text_B: Agrocampus Ouest is a French higher education institution of university-level , grande ecole-type .. grande ecole. grande ecole. Its official name is Institut superieur des sciences agronomiques , agroalimentaires , horticoles et du paysage -LRB- in English Higher Institute for agricultural sciences , food industry , horticulture and landscape management -RRB- .. It operates under the supervision of the French Ministry of Agriculture .. Ministry of Agriculture. Ministry of Agriculture ( France ). It trains agricultural sciences engineers and research scientists .. It has two campuses in western France , one in Rennes and the other in Angers .. Rennes. Rennes. Angers. Angers. France. France
not_related.