( Not ( ( all ( coral species ) ) ( ( build reefs ) . ) ) )
(ROOT (S (RB Not) (NP (DT all) (NN coral) (NN species)) (VP (VBP build) (NP (NNS reefs))) (. .)))
Not all coral species build reefs.
(ROOT (S (NP (NNS Corals)) (VP (VBP build) (NP (NP (JJ hard) (NNS exoskeletons)) (SBAR (WHNP (WDT that)) (S (VP (VBP grow) (S (VP (TO to) (VP (VB become) (NP (NN coral) (NNS reefs)))))))))) (. .)))