Argentine tango
Argentine tango is a musical genre and accompanying social dance originating at the end of the 19th century in the suburbs of Buenos Aires and Montevideo . 
<triplet> Argentine tango <subj> musical genre <obj> instance of <triplet> Buenos Aires <subj> Montevideo <obj> twinned administrative body <triplet> Montevideo <subj> Buenos Aires <obj> twinned administrative body