With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Blue Lagoon is only part of a duology.
text_B: Moorefield is an unincorporated community in Pleasant Township , Switzerland County , in the U.S. state of Indiana .. Indiana. Indiana. County. List of counties in Indiana. Switzerland. Switzerland County, Indiana. Township. List of townships in Indiana. Pleasant. Pleasant Township, Switzerland County, Indiana. unincorporated community. unincorporated community. Pleasant Township. Pleasant Township, Switzerland County, Indiana. Switzerland County. Switzerland County, Indiana. U.S. state. U.S. state
not_related.