Premise: Venus Ebony Starr Williams ( born June 17 , 1980 ) is an American professional tennis player who is generally regarded as one of the all-time greats of women 's tennis and who , along with younger sister Serena Williams , is credited with ushering in a new era of power and athleticism on the women 's professional tennis tour .
Hypothesis: Venus Williams has a younger sister name Serena Williams.
Label: ENTAILMENT