( ( Sea ( anemones ( , ( sea ( whips ( , ( ( corals and ) hydroids ) ) ) ) ) ) ) ( ( are ( ( polyps growing ) ( attached ( to ( ( rocks or ) ( ( other ( hard surfaces ) ) ( of ( the sea ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Sea) (NNS anemones) (, ,) (NN sea) (NN whips) (, ,) (NNS corals) (CC and) (NNS hydroids)) (VP (VBP are) (NP (NP (NNS polyps) (VBG growing)) (VP (VBN attached) (PP (TO to) (NP (NP (NNS rocks)) (CC or) (NP (NP (JJ other) (JJ hard) (NNS surfaces)) (PP (IN of) (NP (DT the) (NN sea))))))))) (. .)))
Sea anemones, sea whips, corals and hydroids are polyps growing attached to rocks or other hard surfaces of the sea.
(ROOT (S (NP (NNS Hydras) (CC and) (NN sea) (NNS anemones)) (VP (VBP are) (NP (NP (NNS examples)) (PP (IN of) (NP (NN apolyp))))) (. .)))