( ( The ( element ( carbon Carbon ) ) ) ( ( has ( ( four electrons ) ( in ( ( its ( valence shell ) ) ( -LRB- ( outershell -RRB- ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN element) (NN carbon) (NNP Carbon)) (VP (VBZ has) (NP (NP (CD four) (NNS electrons)) (PP (IN in) (NP (NP (PRP$ its) (JJ valence) (NN shell)) (PRN (-LRB- -LRB-) (ADJP (JJ outershell)) (-RRB- -RRB-)))))) (. .)))
The element carbon Carbon has four electrons in its valence shell (outershell).
(ROOT (S (NP (NNP Carbon)) (VP (VBZ has) (NP (CD four) (JJ valence) (NNS electrons))) (. .)))