With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: FC Barcelona is Catalan.
text_B: Arroyo Colorado is a river in Hidalgo , Cameron and Willacy Counties , Texas , that flows mostly eastward some 85 km from Lake Llano Grande into the Laguna Madre .. Texas. Texas. Hidalgo. Hidalgo County, Texas. Cameron. Cameron County, Texas. Willacy. Willacy County, Texas. Lake Llano Grande. Lake Llano Grande. Laguna Madre. Laguna Madre. Arroyo Colorado is a name derived from Spanish meaning `` red creek bed '' .
not_related.