( ( ( ( Gastrointestinal tract ) ( -LRB- ( ( GI tract ) -RRB- ) ) ) ( ( The ( entire ( digestive canal ) ) ) ( from ( mouth ( to anus ) ) ) ) ) . )
(ROOT (NP (NP (NP (JJ Gastrointestinal) (NN tract)) (PRN (-LRB- -LRB-) (NP (NNP GI) (NN tract)) (-RRB- -RRB-))) (NP (NP (DT The) (JJ entire) (NN digestive) (NN canal)) (PP (IN from) (NP (NP (NN mouth)) (PP (TO to) (NP (NNS anus)))))) (. .)))
Gastrointestinal tract (GI tract) The entire digestive canal from mouth to anus.
(ROOT (S (NP (DT The) (NN term) (NN gastrointestinal) (NN tract)) (VP (VBZ describes) (NP (NP (DT the) (JJ long) (NN tube)) (SBAR (WHNP (WDT that)) (S (VP (VBZ connects) (NP (DT the) (NN mouth)) (PP (TO to) (NP (DT the) (NNS anus)))))))) (. .)))