( Lastly ( , ( I ( ( ( ( decided ( to ( create ( ( more complex ) behaviors ) ) ) ) and ) ( created ( ( a ( simple ( Marble Machine ) ) ) ( which ( comes ( alive ( by ( clicking ( on ( one ( of ( the ( two marbles ) ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Lastly)) (, ,) (NP (PRP I)) (VP (VP (VBD decided) (S (VP (TO to) (VP (VB create) (NP (ADJP (RBR more) (JJ complex)) (NNS behaviors)))))) (CC and) (VP (VBD created) (NP (NP (DT a) (JJ simple) (NNP Marble) (NN Machine)) (SBAR (WHNP (WDT which)) (S (VP (VBZ comes) (ADJP (JJ alive) (PP (IN by) (S (VP (VBG clicking) (PP (IN on) (NP (NP (CD one)) (PP (IN of) (NP (DT the) (CD two) (NNS marbles))))))))))))))) (. .)))
Lastly, I decided to create more complex behaviors and created a simple Marble Machine which comes alive by clicking on one of the two marbles.
(ROOT (S (S (NP (DT A) (JJ complex) (NN machine)) (VP (VBZ is) (VP (VBN described) (PP (IN by))))) (: :) (S (NP (PRP it)) (VP (VBZ is) (VP (VBN made) (PP (IN of) (NP (QP (JJR more) (IN than) (CD one)) (JJ simple) (NN machine)))))) (. .)))
A complex machine is described by: it is made of more than one simple machine.