( they ( ( have ( amniotic eggs ) ) ; ) )
(ROOT (S (NP (PRP they)) (VP (VBP have) (NP (JJ amniotic) (NNS eggs))) (: ;)))
they have amniotic eggs;
(ROOT (S (NP (NNS Mammals)) (VP (VP (VBP have) (NP (CD four) (NNS limbs))) (CC and) (VP (VBP produce) (NP (JJ amniotic) (NNS eggs)))) (. .)))