( ( The ( planetary core ) ) ( ( consists ( of ( ( ( the ( innermost layer ) ) ( -LRB- ( s -RRB- ) ) ) ( of ( a planet ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ planetary) (NN core)) (VP (VBZ consists) (PP (IN of) (NP (NP (NP (DT the) (JJ innermost) (NN layer)) (PRN (-LRB- -LRB-) (PRP s) (-RRB- -RRB-))) (PP (IN of) (NP (DT a) (NN planet)))))) (. .)))
The planetary core consists of the innermost layer(s) of a planet.
(ROOT (S (NP (DT The) (NN core)) (VP (VBZ is) (NP (NP (DT the) (NN sun) (POS 's)) (NN innermost) (NN layer))) (. .)))