With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Basketball is played on a court.
text_B: The men 's 4 x 400 metres relay event at the 1952 Olympic Games took place on July 26 & July 27 .. The Jamaican team won the final .. Jamaican. Jamaican. Herb McKenley 's third leg of 44.6 , credited with pulling Jamaica into contention from 10 metres back , is considered one of the greatest relay legs in history .. Herb McKenley. Herb McKenley. George Rhoden , the 400 metres champion and Mal Whitfield the 800 metres champion ran virtually shoulder to shoulder the entire last lap , but Whitfield was never able to take the lead .. George Rhoden. George Rhoden. Mal Whitfield. Mal Whitfield. 400 metres champion. Athletics at the 1952 Summer Olympics – Men's 400 metres. 800 metres champion. Athletics at the 1952 Summer Olympics – Men's 800 metres
not_related.