( ( Craniosacral therapists ) ( ( say ( that ( ( the ( birthing process ) ) ( can ( ( ( have ( a ( negative effect ) ) ) ( on ( growth ( of ( ( ( the cartilage ) and ) membranes ) ) ) ) ) ( surrounding ( ( the ( infant 's ) ) skull ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Craniosacral) (NNS therapists)) (VP (VBP say) (SBAR (IN that) (S (NP (DT the) (VBG birthing) (NN process)) (VP (MD can) (VP (VB have) (NP (DT a) (JJ negative) (NN effect)) (PP (IN on) (NP (NP (NN growth)) (PP (IN of) (NP (NP (DT the) (NN cartilage)) (CC and) (NP (NNS membranes)))))) (S (VP (VBG surrounding) (NP (NP (DT the) (NN infant) (POS 's)) (NN skull))))))))) (. .)))
Craniosacral therapists say that the birthing process can have a negative effect on growth of the cartilage and membranes surrounding the infant's skull.
(ROOT (S (NP (NNS Hagfishes)) (VP (VBP have) (NP (NP (DT a) (NN skull)) (VP (VBN made) (PP (IN of) (NP (NN cartilage)))))) (. .)))