Langenthal
Langenthal is a town and a municipality in the district of Oberaargau in the canton of Bern in Switzerland . 
<triplet> Langenthal <subj> municipality <obj> instance of <subj> canton of Bern <obj> located in the administrative territorial entity <subj> Switzerland <obj> country <triplet> municipality <subj> Switzerland <obj> country <triplet> Oberaargau <subj> Switzerland <obj> country <triplet> canton of Bern <subj> Switzerland <obj> country <triplet> Switzerland <subj> canton of Bern <obj> contains administrative territorial entity