( large ( fetus ; ) )
(ROOT (NP (JJ large) (NN fetus) (: ;)))
large fetus;
(ROOT (S (NP (JJ Placental) (NNS mammals)) (VP (VBP give) (NP (NN birth)) (PP (TO to) (NP (ADJP (RB relatively) (JJ large)) (NNS fetuses)))) (. .)))