Premise: Andy Roddick . He is the most recent North American male player to win a Grand Slam singles event , the most recent to reach the top ranking , and the most recent to claim the year-end world No. 1 ( 2003 ) . The Grand Slam tournaments , also called majors , are the four most-important annual tennis events .
Hypothesis: Andy Roddick is an athlete.
Label: ENTAILMENT