( ( The skin ) ( ( is ( composed ( of ( ( ( ( ( two ( ( mutually dependent ) layers ) ) , ) ( the ( ( epidermis and ) dermis ) ) ) , ) ( which ( rest ( on ( a ( ( fatty subcutaneous ) layer ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN skin)) (VP (VBZ is) (VP (VBN composed) (PP (IN of) (NP (NP (CD two) (ADJP (RB mutually) (JJ dependent)) (NNS layers)) (, ,) (NP (DT the) (NNS epidermis) (CC and) (NNS dermis)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBP rest) (PP (IN on) (NP (DT a) (ADJP (RB fatty) (JJ subcutaneous)) (NN layer)))))))))) (. .)))
The skin is composed of two mutually dependent layers, the epidermis and dermis, which rest on a fatty subcutaneous layer.
(ROOT (S (NP (DT The) (NN skin)) (VP (VBZ is) (VP (VBN made) (PP (IN of) (NP (NP (CD two) (NNS layers)) (: :) (NP (NNS epidermis) (CC and) (NNS dermis)))))) (. .)))