( ( The ( New ( Mexico ( Whiptail lizard ) ) ) ) ( ( ( ( can not ) sexually ) ( reproduce ( because ( they ( are ( all females ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP New) (NNP Mexico) (NNP Whiptail) (NN lizard)) (VP (MD can) (RB not) (ADVP (RB sexually)) (VP (VB reproduce) (SBAR (IN because) (S (NP (PRP they)) (VP (VBP are) (NP (DT all) (NNS females))))))) (. .)))
The New Mexico Whiptail lizard cannot sexually reproduce because they are all females.
(ROOT (S (NP (DT All)) (VP (VBZ vertebrates) (VP (VB reproduce) (ADVP (RB sexually)))) (. .)))