With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Muammar Gaddafi attended the University of Benghazi in Benghazi.
text_B: The blacktip tope , Hypogaleus hyugaensis , is a houndshark of the family Triakidae , and the only member of the genus Hypogaleus .. Triakidae. Houndshark. houndshark. houndshark. family. Family ( biology ). It is found in the deep waters of the continental shelf in the Indo-West Pacific , from East Africa to Japan , at depths between 40 and 230 m .. continental shelf. continental shelf. Indo-West Pacific. Indo-Pacific. East Africa. East Africa. Japan. Japan. It can grow up to a length of 1.27 m.
not_related.