With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tigers are not depicted in modern films.
text_B: Dioryctria mutuurai is a species of snout moth in the genus Dioryctria .. Dioryctria. Dioryctria. snout moth. Pyralidae. It was described by Neunzig in 2003 , and is known from California , U.S.A.. Neunzig. Neunzig. California. California. U.S.A. United States
not_related.