( ( ( ( one ( towards ( ( ( the lung ) and ) ( the other ) ) ) ) ( towards ( ( ( the backbone ) and ) ( the ( last vertebra ) ) ) ) ) ( of ( the neck ) ) ) . )
(ROOT (NP (NP (CD one)) (PP (IN towards) (NP (NP (DT the) (NN lung)) (CC and) (NP (DT the) (JJ other)))) (PP (IN towards) (NP (NP (DT the) (NN backbone)) (CC and) (NP (DT the) (JJ last) (NN vertebra)))) (PP (IN of) (NP (DT the) (NN neck))) (. .)))
one towards the lung and the other towards the backbone and the last vertebra of the neck.
(ROOT (S (NP (NNP Vertebrata)) (VP (VBP are) (VP (VBN characterized) (PP (IN by) (NP (NP (DT the) (NN presence)) (PP (IN of) (NP (NN backbone))))))) (. .)))
Vertebrata are characterized by the presence of backbone.