Poponto Swamp
Poponto Swamp is a swamp in Luzon , Philippines , located at the boundary of Tarlac and Pangasinan provinces . 
<triplet> Luzon <subj> Philippines <obj> country <triplet> Tarlac <subj> Pangasinan <obj> shares border with <subj> provinces <obj> instance of <triplet> Pangasinan <subj> provinces <obj> instance of <triplet> provinces <subj> Philippines <obj> country