( ( ( Hookworm Infections ) ( in ( Cats Hookworms ) ) ) ( ( ( are ( ( intestinal parasites ) ( of ( the cat ) ) ) ) ( -LRB- ( ( and dog ) -RRB- ) ) ) . ) )
(ROOT (S (NP (NP (NNP Hookworm) (NNP Infections)) (PP (IN in) (NP (NNP Cats) (NNPS Hookworms)))) (VP (VP (VBP are) (NP (NP (JJ intestinal) (NNS parasites)) (PP (IN of) (NP (DT the) (NN cat))))) (PRN (-LRB- -LRB-) (CC and) (VB dog) (-RRB- -RRB-))) (. .)))
Hookworm Infections in Cats Hookworms are intestinal parasites of the cat (and dog).
(ROOT (S (NP (DT A) (NN hookworm)) (VP (VBZ is) (VP (VBN classified) (PP (IN as) (NP (DT a) (NN parasite))))) (. .)))
A hookworm is classified as a parasite.