With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Pamela Anderson is a dog.
text_B: Emerald Energy plc is a British energy company with headquarters in London but is registered offshore in the Isle of Man .. London. London. British. United Kingdom. energy. energy. The company specializes in oil exploration and production of hydrocarbons .. oil exploration. oil exploration. Formerly listed on the London Stock Exchange and a constituent of the FTSE 250 Index , the firm was acquired by Sinochem Group in October 2009 .. London. London. Sinochem Group. Sinochem Group. London Stock Exchange. London Stock Exchange. FTSE 250 Index. FTSE 250 Index
not_related.