( ( The ( large intestine ) ) ( ( is ( ( a ( ( relatively wide ) tube ) ) ( that ( ( connects ( the ( small intestine ) ) ) ( with ( the anus ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ large) (NN intestine)) (VP (VBZ is) (NP (NP (DT a) (ADJP (RB relatively) (JJ wide)) (NN tube)) (SBAR (WHNP (WDT that)) (S (VP (VBZ connects) (NP (DT the) (JJ small) (NN intestine)) (PP (IN with) (NP (DT the) (NNS anus)))))))) (. .)))
The large intestine is  a relatively wide tube that connects the small intestine with the anus.
(ROOT (S (NP (DT The) (JJ large) (NN intestine)) (VP (VBZ is) (NP (NP (DT a) (JJ wide) (NN tube)) (VP (VBG connecting) (NP (DT the) (JJ small) (NN intestine)) (PP (IN with) (NP (DT the) (NNS anus)))))) (. .)))