With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lee Harvey Oswald lived in a city of Minsk until 1962.
text_B: Bothrochilus huonensis , commonly known as the Huon whitelip python , is a species of snake of the family Pythonidae .. family. Family ( biology ). Pythonidae. Pythonidae
not_related.