( ( under ( this scheme ) ) ( , ( ( ( `` ( true ( '' rodents ) ) ) ( -LRB- ( ( ( squirrels , ) ( rats ( , ( ( mice , ) etc. ) ) ) ) -RRB- ) ) ) ( ( ( are ( distinguished ( from ( so-called ( `` ( hystricognath ( '' rodents ) ) ) ) ) ) ) ( -LRB- ( ( ( ( ( ( ( ( ( ( ( porcupines , ) chinchillas ) , ) capybaras ) , ) ( mole rats ) ) , ) ( guinea pigs ) ) , ) etc. ) -RRB- ) ) ) . ) ) ) )
(ROOT (S (PP (IN under) (NP (DT this) (NN scheme))) (, ,) (NP (NP (`` ``) (JJ true) ('' '') (NNS rodents)) (PRN (-LRB- -LRB-) (NP (NNP squirrels)) (, ,) (NP (NNS rats) (, ,) (NNS mice) (, ,) (FW etc.)) (-RRB- -RRB-))) (VP (VBP are) (ADJP (JJ distinguished) (PP (IN from) (NP (JJ so-called) (`` ``) (JJ hystricognath) ('' '') (NNS rodents)))) (PRN (-LRB- -LRB-) (NP (NP (NP (NNS porcupines)) (, ,) (NP (NNS chinchillas))) (, ,) (NP (NNS capybaras)) (, ,) (NP (JJ mole) (NNS rats)) (, ,) (NP (NN guinea) (NNS pigs)) (, ,) (FW etc.)) (-RRB- -RRB-))) (. .)))
under this scheme, &quot;true&quot; rodents (squirrels, rats, mice, etc.) are distinguished from so-called &quot;hystricognath&quot; rodents (porcupines, chinchillas, capybaras, mole rats, guinea pigs, etc.).
(ROOT (S (NP (NP (DT The) (NN name)) (PP (IN of) (NP (NP (DT the) (NN group)) (SBAR (IN that) (S (NP (NNS rats)) (VP (VBP are) (NP (NP (DT a) (NN part)) (PP (IN of))))))))) (VP (VBZ is) (NP (NNS rodents))) (. .)))