( ( ( ( Metamorphism ( -LRB- ( geology -RRB- ) ) ) Metamorphism ) , ) ( ( is ( ( the set ) ( of ( processes ( ( by which ) ( rocks ( are ( changed ( in form ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Metamorphism)) (PRN (-LRB- -LRB-) (NP (NN geology)) (-RRB- -RRB-)) (NP (NNP Metamorphism)) (, ,)) (VP (VBZ is) (NP (NP (DT the) (NN set)) (PP (IN of) (NP (NP (NNS processes)) (SBAR (WHPP (IN by) (WHNP (WDT which))) (S (NP (NNS rocks)) (VP (VBP are) (VP (VBN changed) (PP (IN in) (NP (NN form))))))))))) (. .)))
Metamorphism (geology) Metamorphism, is the set of processes by which rocks are changed in form.
(ROOT (S (NP (NP (DT The) (NN word) (NN metamorphism)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ gives) (NP (PRP$ its) (NN name)) (PP (TO to) (NP (NP (DT a) (NN type)) (PP (IN of) (NP (NN rock)))))))) (, ,)) (VP (VBZ means) (`` ``) (S (VP (TO to) (VP (VB change) (NP (NN form))))))))