With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Anne Bancroft won one cookie.
text_B: Metisella congdoni is a butterfly in the family Hesperiidae .. butterfly. butterfly. Hesperiidae. Hesperiidae. It was described by de Jong and Kielland in 1983 .. It is found in southern Tanzania .. Tanzania. Tanzania
not_related.