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 . Navratilova became a US citizen in 1981 , and on January 9 , 2008 , she acquired Czech citizenship . 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 Czech and American.
Label: ENTAILMENT