With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Backstreet Boys are Syrian.
text_B: The Clube Desportivo O Maculusso , formerly Club Desportivo Textil de Luanda , is an Angolan multisports club based in Luanda .. Luanda. Luanda. Maculusso. Maculusso. Desportivo do Maculusso was named after its major sponsor , a textile factory in Luanda called Macambira .. Luanda. Luanda. Maculusso. Maculusso. As the textile factory went out of business in 1999 , the club was renamed after the neighborhood in which it was located , the neighborhood of Maculusso in Luanda .. Luanda. Luanda. Maculusso. Maculusso. The club 's women 's basketball team competes at the local level , at the Luanda Provincial Basketball Championship and at the Angola Women 's Basketball League .. Luanda. Luanda. Angola. Angola
not_related.