( organisms ( with ( ( 2 openings ) ( to ( ( the ( digestive track ) ) ( -LRB- ( ( ( mouth and ) anus ) -RRB- ) ) ) ) ) ) )
(ROOT (NP (NP (NNS organisms)) (PP (IN with) (NP (NP (CD 2) (NNS openings)) (PP (TO to) (NP (NP (DT the) (JJ digestive) (NN track)) (PRN (-LRB- -LRB-) (NP (NN mouth) (CC and) (NNS anus)) (-RRB- -RRB-))))))))
organisms with 2 openings to the digestive track (mouth and anus)
(ROOT (S (NP (DT The) (NN mouth)) (VP (VBZ is) (NP (DT the) (JJ first) (NN digestive) (NN organ)) (SBAR (IN that) (S (NP (NN food)) (VP (VBZ enters))))) (. .)))