sentence1_binary_parse: ( ( One ( of ( the ( simple machines ) ) ) ) ( ( is ( the pulley ) ) . ) )
sentence1_parse: (ROOT (S (NP (NP (CD One)) (PP (IN of) (NP (DT the) (JJ simple) (NNS machines)))) (VP (VBZ is) (NP (DT the) (NN pulley))) (. .)))
sentence1: One of the simple machines is the pulley.
sentence2_parse: (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)))))) (. .)))
sentence2: A complex machine is described by: it is made of more than one simple machine.