With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Dan Martin is a professional cyclist for UCI ProTeam.
text_B: Shallowford is an unincorporated community in Unicoi County , in the U.S. state of Tennessee .. unincorporated community. unincorporated community. Unicoi County. Unicoi County, Tennessee. U.S. state. U.S. state. Tennessee. Tennessee
not_related.