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 . Navratilova became a US citizen in 1981 , and on January 9 , 2008 , she acquired Czech citizenship .
Hypothesis: Martina Navratilova is from the Czech Republic.
Label: ENTAILMENT