( ( Most ( of ( ( the species ) ( that ( live ( in ( the ocean ) ) ) ) ) ) ) ( ( ( have ( probably ( not even ) ) ) ( been ( described yet ) ) ) . ) )
(ROOT (S (NP (NP (JJS Most)) (PP (IN of) (NP (NP (DT the) (NN species)) (SBAR (WHNP (WDT that)) (S (VP (VBP live) (PP (IN in) (NP (DT the) (NN ocean))))))))) (VP (VBP have) (ADVP (RB probably) (RB not) (RB even)) (VP (VBN been) (VP (VBN described) (ADVP (RB yet))))) (. .)))
Most of the species that live in the ocean have probably not even been described yet.
(ROOT (S (NP (RBS Most) (JJ red) (NN algae) (NNS species)) (VP (VBP live) (PP (IN in) (NP (NNS oceans)))) (. .)))