( ( The ( Natural Step ) ) ( ( is ( ( an ( important factor ) ) ( in ( ( this ( Map 's ) ) ( site ( selection criteria ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Natural) (NN Step)) (VP (VBZ is) (NP (NP (DT an) (JJ important) (NN factor)) (PP (IN in) (NP (NP (DT this) (NNP Map) (POS 's)) (NN site) (NN selection) (NNS criteria))))) (. .)))
The Natural Step is an important factor in this Map's site selection criteria.
(ROOT (S (NP (NNP Community) (NNS interactions)) (VP (VBP are) (NP (NP (JJ important) (NNS factors)) (PP (IN in) (NP (JJ natural) (NN selection))))) (. .)))