( Venom ( ( comprises ( of ( ( modified ( digestive juices ) ) ( that ( ( not only ) ( ( ( ( ( ( subdue or ) paralyze ) ( the ( prey animal ) ) ) , ) but ) ( also ( begin ( to ( ( ( digest it ) , ) ( ( breaking down ) ( ( ( the skin ) and ) ( internal organs ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Venom)) (VP (VBZ comprises) (PP (IN of) (NP (NP (VBN modified) (NN digestive) (NNS juices)) (SBAR (WHNP (WDT that)) (S (VP (CONJP (RB not) (JJ only)) (VP (VBP subdue) (CC or) (VBP paralyze) (NP (DT the) (NN prey) (NN animal))) (, ,) (CC but) (VP (ADVP (RB also)) (VBP begin) (S (VP (TO to) (VP (VB digest) (NP (PRP it)) (, ,) (S (VP (VBG breaking) (PRT (RP down)) (NP (NP (DT the) (NN skin)) (CC and) (NP (JJ internal) (NNS organs))))))))))))))) (. .)))
Venom comprises of modified digestive juices that not only subdue or paralyze the prey animal, but also begin to digest it, breaking down the skin and internal organs.
(ROOT (S (NP (NNS Animals)) (VP (VBP engage) (PP (IN in) (NP (JJ internal) (NN digestion)))) (. .)))