Association of Presbyterian Colleges and Universities
The Association of Presbyterian Colleges and Universities is a private , not-for-profit organization of colleges and universities associated with the Presbyterian Church ( USA ) , a Mainline Protestant Christian religious denomination . 
<triplet> Presbyterian Church (USA) <subj> Protestant <obj> part of <subj> Christian religious denomination <obj> instance of <triplet> Mainline <subj> Christian religious denomination <obj> subclass of <triplet> Protestant <subj> Christian religious denomination <obj> instance of