With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Billie Jean King is a citizen.
text_B: Trombidium meyeri is a species of mite in the genus Trombidium in the family Trombidiidae .. Trombidiidae. Trombidiidae. Trombidium. Trombidium. mite. mite. It is found in Europe .. Europe. Europe
not_related.