With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jawaharlal Nehru had political troubles in his final days.
text_B: The Tiger of Pilibhit is a male sub-adult tiger believed to be responsible for killing and partially eating eight people in the Pilibhit and Shahjahanpur forest divisions of Uttar Pradesh , India from May through August 2010 , before being captured .. tiger. tiger. Pilibhit. Pilibhit. Shahjahanpur. Shahjahanpur. Uttar Pradesh. Uttar Pradesh
not_related.