( ( In reptiles ) ( , ( ( ( ( ( for instance ) ( , ( ( the ( lower jaw ) ) ( consists ( of ( several bones ) ) ) ) ) ) and ) ( ( the ( ( ( three bones ) ( equivalent ( to ( the ( mammalian middle ) ) ) ) ) ear ) ) ( are ( attached ( to ( ( ( the jaw ) and ) ( the cranium ) ) ) ) ) ) ) . ) ) )
(ROOT (S (PP (IN In) (NP (NNS reptiles))) (, ,) (S (PP (IN for) (NP (NN instance))) (, ,) (NP (DT the) (JJR lower) (NN jaw)) (VP (VBZ consists) (PP (IN of) (NP (JJ several) (NNS bones))))) (CC and) (S (NP (DT the) (ADJP (NP (CD three) (NNS bones)) (JJ equivalent) (PP (TO to) (NP (DT the) (JJ mammalian) (NN middle)))) (NN ear)) (VP (VBP are) (VP (VBN attached) (PP (TO to) (NP (NP (DT the) (NN jaw)) (CC and) (NP (DT the) (NN cranium))))))) (. .)))
In reptiles, for instance, the lower jaw consists of several bones and the three bones equivalent to the mammalian middle ear are attached to the jaw and the cranium.
(ROOT (S (NP (DT The) (JJ mammalian) (JJ middle) (NN ear)) (VP (VBZ has) (NP (CD three) (NNS bones))) (. .)))