( Aves ( ( have ( four limbs ) ) ; ) )
(ROOT (S (NP (NNS Aves)) (VP (VBP have) (NP (CD four) (NNS limbs))) (: ;)))
Aves have four limbs;
(ROOT (S (NP (DT All) (NNS mammals)) (VP (VBP have) (NP (CD four) (NNS limbs))) (. .)))