Premise: Martina Navratilova ( Martina Navrátilová [ ˈmarcɪna ˈnavraːcɪlovaː ] ; born Martina Šubertová [ ˈmarcɪna ˈʃubɛrtovaː ] ; October 18 , 1956 ) is a Czech and American retired tennis player and coach . Originally from Czechoslovakia , she was stripped of her citizenship when , in 1975 at the age of 18 , she asked the United States for political asylum and was granted temporary residency . She stated she has not renounced her U.S. citizenship nor does she plan to do so and that acquiring her Czech citizenship was not politically motivated .
Hypothesis: Martina Navratilova is only British.
Label: CONTRADICTION