With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: William Shakespeare was a German poet.
text_B: The genus Ganguroo is a species of early to middle to late Miocene kangaroo found in Riversleigh , in Australia .. Miocene. Miocene. kangaroo. kangaroo. Riversleigh. Riversleigh. Australia. Australia. The relationship within the Macropodidae is in dispute , though it is phylogenetically proposed to be a sister taxon with the Macropodidae .. Macropodidae. Macropodidae
not_related.