( coral ( ( Shows ( a ( coral reef ) ) ) . ) )
(ROOT (S (NP (NN coral)) (VP (VBZ Shows) (NP (DT a) (NN coral) (NN reef))) (. .)))
coral Shows a coral reef.
(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)))))))))) (. .)))