( ( ( Very ( simple ( , ( uncomplicated type ) ) ) ) ( of game ) ) . )
(ROOT (NP (NP (JJ Very) (JJ simple) (, ,) (JJ uncomplicated) (NN type)) (PP (IN of) (NP (NN game))) (. .)))
Very simple, uncomplicated type of game.
(ROOT (S (NP (NP (DT An) (NN object)) (VP (VBN attached) (PP (TO to) (NP (NP (DT a) (NN spring)) (VP (VBG sliding) (PP (IN on) (NP (DT a) (JJ frictionless) (NN surface)))))))) (VP (VBZ is) (NP (NP (DT an) (JJ uncomplicated) (NN type)) (PP (IN of) (NP (ADJP (JJ simple) (JJ harmonic)) (NN oscillator))))) (. .)))
An object attached to a spring sliding on a frictionless surface is an uncomplicated type of simple harmonic oscillator.