With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Diana Rigg finished college on the 20th.
text_B: Golden bear oil , known as `` GBO '' , is a non-ecotoxic pesticide used in controlling mosquito larval populations .. ecotoxic. ecotoxic. pesticide. pesticide. mosquito. mosquito. It is most widely used by the St. Tammany Parish Mosquito Abatement District # 2 in controlling the possibly of a West Nile virus epidemic , in the growing rural area of southeastern Louisiana. St. Tammany Parish. St. Tammany Parish. West Nile virus. West Nile virus. epidemic. epidemic. Louisiana. Louisiana. Golden Bear Oil is made by Clarke Mosquito Control .. Clarke Mosquito Control. Clarke Mosquito Control. Category  : Pesticides
not_related.