( ( Simple ( and ( complex machines ) ) ) ( ( will ( be identifiable ) ) . ) )
(ROOT (S (NP (NN Simple) (CC and) (NN complex) (NNS machines)) (VP (MD will) (VP (VB be) (ADJP (JJ identifiable)))) (. .)))
Simple and complex machines will be identifiable.
(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.