With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Menama is Romelu Lukaku's middle name.
text_B: The Highveld is the portion of the South African inland plateau which has an altitude above roughly 1500 m , but below 2100 m , thus excluding the Lesotho mountain regions to the south-east of the Highveld .. Lesotho. Lesotho. South African. South Africa#Geography. plateau. plateau. It is home to some of the country 's most important commercial farming areas , as well as its largest concentration of metropolitan centres , especially the Gauteng conurbation , which accommodates one-third of South Africa 's population .. Gauteng. Gauteng. South Africa. South Africa. conurbation. conurbation
not_related.