( Charleau ( now ( ( works ( with ( the ( large ( and ( small mammals ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NNP Charleau)) (ADVP (RB now)) (VP (VBZ works) (PP (IN with) (NP (DT the) (JJ large) (CC and) (JJ small) (NNS mammals)))) (. .)))
Charleau now works with the large and small mammals.
(ROOT (S (NP (JJ Placental) (NNS mammals)) (VP (VBP give) (NP (NN birth)) (PP (TO to) (NP (ADJP (RB relatively) (JJ large)) (NNS fetuses)))) (. .)))