Carver Langston
Carver Langston is a cluster of two neighborhoods , Carver and Langston , just south of the United States National Arboretum in Northeast Washington , D . C . 
<triplet> Carver Langston <subj> Washington, D.C. <obj> located in the administrative territorial entity <triplet> United States National Arboretum <subj> Northeast <obj> location <subj> Washington, D.C. <obj> located in the administrative territorial entity <triplet> Northeast <subj> Washington, D.C. <obj> located in the administrative territorial entity