Birdstone
Birdstone ( foaled May 16 , 2001 , in Kentucky ) is an American Thoroughbred racehorse best known for winning the 2004 Belmont Stakes and has become a successful sire . 
<triplet> Birdstone <subj> Thoroughbred <obj> animal breed <triplet> Kentucky <subj> American <obj> located in the administrative territorial entity <triplet> American <subj> Kentucky <obj> contains administrative territorial entity <triplet> Belmont Stakes <subj> racehorse <obj> sport