( Medusae ( ( are ( able ( to ( reproduce sexually ) ) ) ) . ) )
(ROOT (S (NP (NNP Medusae)) (VP (VBP are) (ADJP (JJ able) (S (VP (TO to) (VP (VB reproduce) (ADVP (RB sexually))))))) (. .)))
Medusae are able to reproduce sexually.
(ROOT (S (NP (NNS Reptiles)) (ADVP (RB typically)) (VP (VB reproduce) (ADVP (RB sexually))) (. .)))