( ( Certain ( small mammals ) ) ( ( eat ( ( a ( large quantity ) ) ( of truffles ) ) ) . ) )
(ROOT (S (NP (JJ Certain) (JJ small) (NNS mammals)) (VP (VBP eat) (NP (NP (DT a) (JJ large) (NN quantity)) (PP (IN of) (NP (NNS truffles))))) (. .)))
Certain small mammals eat a large quantity of truffles.
(ROOT (S (NP (JJ Placental) (NNS mammals)) (VP (VBP give) (NP (NN birth)) (PP (TO to) (NP (ADJP (RB relatively) (JJ large)) (NNS fetuses)))) (. .)))