( ( ( Describe ( ( the structures ) ( of ( ( the ( human ( digestive tract ) ) ) ( from mouth ) ) ) ) ) ( to anus ) ) ; )
(ROOT (S (VP (VB Describe) (NP (NP (DT the) (NNS structures)) (PP (IN of) (NP (NP (DT the) (JJ human) (NN digestive) (NN tract)) (PP (IN from) (NP (NN mouth)))))) (PP (TO to) (NP (NNS anus)))) (: ;)))
Describe the structures of the human digestive tract 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)))))))) (. .)))