( This ( ( could ( be ( described ( ( ( ( as ( ( capital goods ) ( that ( produce ( capital goods ) ) ) ) ) -- ) or ) ( perhaps ( as ( machines ( that ( ( produce ( better machines ) ) ( for ( making ( machines ( that ( produce ( consumer goods ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (MD could) (VP (VB be) (VP (VBN described) (PP (PP (IN as) (NP (NP (NN capital) (NNS goods)) (SBAR (WHNP (WDT that)) (S (VP (VBP produce) (NP (NN capital) (NNS goods))))))) (: --) (CC or) (PP (RB perhaps) (IN as) (NP (NP (NNS machines)) (SBAR (WHNP (WDT that)) (S (VP (VBP produce) (NP (JJR better) (NNS machines)) (PP (IN for) (S (VP (VBG making) (NP (NP (NNS machines)) (SBAR (WHNP (WDT that)) (S (VP (VBP produce) (NP (NN consumer) (NNS goods)))))))))))))))))) (. .)))
This could be described as capital goods that produce capital goods -- or perhaps as machines that produce better machines for making machines that produce consumer goods.
(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.