They lived across the street from us in PA.
( They ( ( ( lived ( across ( ( the street ) ( from us ) ) ) ) ( in PA. ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBD lived) (PP (IN across) (NP (NP (DT the) (NN street)) (PP (IN from) (NP (PRP us))))) (PP (IN in) (NP (NNP PA.)))) (. .)))
They lived in the city next to ours.
( They ( ( ( lived ( in ( the ( city next ) ) ) ) ( to ours ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBD lived) (PP (IN in) (NP (DT the) (NN city) (JJ next))) (PP (TO to) (NP (PRP ours)))) (. .)))