Premise: Martina Navratilova . Her record as No. 1 in singles ( 1982 -- 86 ) is the most dominant in professional tennis . She holds the best season win-loss record for the open era , 86-1 ( 98.9 % ) in 1983 , and four of the top six open era seasons .
Hypothesis: Martina Navratilova died in 1956.
Label: CONTRADICTION