With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Colombia harbors a large number of earth's species.
text_B: The McMichael Canadian Art Collection is an art gallery in Kleinburg , Ontario , Canada , northwest of Toronto .. Kleinburg. Kleinburg, Ontario. Ontario. Ontario. Canada. Canada. Toronto. Toronto. It houses an extensive collection of paintings by Tom Thomson , the Group of Seven and their contemporaries , and First Nations and Inuit artists .. Tom Thomson. Tom Thomson. Group of Seven. Group of Seven ( artists ). First Nations. First Nations. Inuit. Inuit. The core of this art collection and the very gallery itself are the result of the dreams and vision of two people .. Signe and Robert McMichael were , on first sight , completely captivated by the paintings of the Group of Seven which seemed to embody the same love and respect they had for the Canadian landscape .. Group of Seven. Group of Seven ( artists )
not_related.