( Examples ( ( are ( ( ( ( ( the loss ) ( of ( limbs ( in ( ( reptiles and ) amphibians ) ) ) ) ) , ) or ) ( digits ( in ( many ( tetrapod vertebrates ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Examples)) (VP (VBP are) (NP (NP (NP (DT the) (NN loss)) (PP (IN of) (NP (NP (NNS limbs)) (PP (IN in) (NP (NNS reptiles) (CC and) (NNS amphibians)))))) (, ,) (CC or) (NP (NP (NNS digits)) (PP (IN in) (NP (JJ many) (JJ tetrapod) (NNS vertebrates)))))) (. .)))
Examples are the loss of limbs in reptiles and amphibians, or digits in many tetrapod vertebrates.
(ROOT (S (NP (NP (NNS Amphibians)) (PRN (-LRB- -LRB-) (CC or) (ADJP (JJ tetrapods)) (-RRB- -RRB-))) (VP (VBD were) (NP (NP (DT the) (JJ first)) (PP (IN with) (NP (CD four) (NNS limbs))))) (. .)))