( ( Most ( skin structures ) ) ( ( originate ( in ( the dermis ) ) ) . ) )
(ROOT (S (NP (JJS Most) (NN skin) (NNS structures)) (VP (VB originate) (PP (IN in) (NP (DT the) (NNS dermis)))) (. .)))
Most skin structures originate in the dermis.
(ROOT (S (NP (DT The) (NNS dermis)) (VP (VBZ contains) (NP (NP (JJS most)) (PP (IN of) (NP (NP (DT the) (NNS structures)) (VP (VBN found) (PP (IN in) (NP (NN skin)))))))) (. .)))