Quito Metro
The Quito Metro , abbreviated as MDQ , is an underground rail mass transit system consisting of a single line that is under construction in Quito , the capital of Ecuador . 
<triplet> Quito Metro <subj> Quito <obj> located in the administrative territorial entity <subj> Ecuador <obj> country <triplet> Quito <subj> Ecuador <obj> country <triplet> Ecuador <subj> Quito <obj> capital