With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Detroit is the 21st-most populous city in Canada.
text_B: Kvinnefossen , sometimes written Kvinnafossen , is a waterfall of the river Kvinna in Leikanger , Norway .. waterfall. waterfall. Kvinna. Kvinna ( river ). Leikanger. Leikanger. Norway. Norway. County Road 55 runs right past the fall .. County Road 55. Norwegian County Road 55
not_related.