With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Spider-Man has been portrayed by two British film actors.
text_B: Waterberg National Park is a national park in central Namibia on the Waterberg Plateau , 68 km south-east of Otjiwarongo .. Namibia. Namibia. Otjiwarongo. Otjiwarongo. national park. national park. Waterberg Plateau. Waterberg Plateau. Waterberg. Waterberg, Namibia. The plateau and the national park are named after the prominent table mountain that rises from the plateau , the Waterberg -LRB- Water Mountain -RRB- .. national park. national park. table mountain. table mountain. Waterberg. Waterberg, Namibia. The Waterberg Plateau is a particularly prominent location , elevating high above the plains of the Kalahari of Eastern Namibia .. Namibia. Namibia. Waterberg Plateau. Waterberg Plateau. Waterberg. Waterberg, Namibia. Waterberg Park and some 405 km2 of surrounding land were declared a Nature Reserve in 1972 .. Waterberg. Waterberg, Namibia. As the plateau is largely inaccessible from beneath several of Namibia 's endangered species were relocated in the early 1970s to protect them from predators and poaching to extinction .. Namibia. Namibia. The programme was very successful and Waterberg now supplies other Namibian parks with rare animals .. Waterberg. Waterberg, Namibia. In 1989 , the black rhinoceros was reintroduced to the area from Damaraland .. black rhinoceros. South-western black rhinoceros. Damaraland. Damaraland. The Waterberg Plateau National Park is ecologically diverse and rich and has over 200 different species of bird with some rare species of small antelope on the lower hills of the mountain .. Waterberg Plateau. Waterberg Plateau. Waterberg. Waterberg, Namibia. Geologically , the oldest rock stratum is over 850 million years old and dinosaurs tracks were left there some 200 million years ago .
not_related.