Yekaterinburg Metro
The Yekaterinburg Metro is a rapid transit system that serves the city of Yekaterinburg , Russia . 
<triplet> Yekaterinburg Metro <subj> rapid transit <obj> instance of <subj> Yekaterinburg <obj> located in the administrative territorial entity <subj> Russia <obj> country <triplet> Yekaterinburg <subj> Russia <obj> country