( ( ( ( The ability ) ( of MR ) ) ( to ( ( detect ( ( ( the presence ) and ) ( undesirable ( thermal increases ) ) ) ) ( at ( ( acoustic obstacle ) ( such ( as ( ( cartilaginous and ) ( bony ribs ) ) ) ) ) ) ) ) ) ( ( is demonstrated ) . ) )
(ROOT (S (NP (NP (DT The) (NN ability)) (PP (IN of) (NP (NNP MR))) (S (VP (TO to) (VP (VB detect) (NP (NP (DT the) (NN presence)) (CC and) (NP (JJ undesirable) (JJ thermal) (NNS increases))) (PP (IN at) (NP (NP (JJ acoustic) (NN obstacle)) (PP (JJ such) (IN as) (NP (NP (NNS cartilaginous)) (CC and) (NP (JJ bony) (NNS ribs)))))))))) (VP (VBZ is) (VP (VBN demonstrated))) (. .)))
The ability of MR to detect the presence and undesirable thermal increases at acoustic obstacle such as cartilaginous and bony ribs is demonstrated.
(ROOT (S (NP (JJS Most) (NN turtle) (NNS bodies)) (VP (VBP are) (VP (VBN covered) (PP (IN by) (NP (NP (DT a) (JJ special) (NN bony) (CC or) (NNS cartilaginous) (NN shell)) (VP (VBN developed) (PP (IN from) (NP (PRP$ their) (NNS ribs)))))))) (. .)))