With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Uruguay national football team is a FIFA World Cup loser.
text_B: R M Groves may refer to  :. Robert Groves , Director of the United States Census Bureau. Robert Groves. Robert Groves. Robert Marsland Groves , Royal Navy and Royal Air Force officer. Robert Marsland Groves. Robert Marsland Groves
not_related.