Premise: Monica Seles . She won nine Grand Slam singles titles , eight of them while a citizen of Yugoslavia and the final as a citizen of the United States of America . She went on to win eight Grand Slam singles titles before her 20th birthday and was the year-end world no. 1 in 1991 and 1992 .
Hypothesis: Monica Seles won seven Grand Slam singles titles.
Label: ENTAILMENT