( ( The gut ) ( usually ( ( has ( ( ( ( ( an exit ) , ) ( the anus ) ) , ) ( ( by which ) ( ( the animal ) ( disposes ( of ( solid wastes ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (DT The) (NN gut)) (ADVP (RB usually)) (VP (VBZ has) (NP (NP (DT an) (NN exit)) (, ,) (NP (DT the) (NNS anus)) (, ,) (SBAR (WHPP (IN by) (WHNP (WDT which))) (S (NP (DT the) (NN animal)) (VP (VBZ disposes) (PP (IN of) (NP (JJ solid) (NNS wastes)))))))) (. .)))
The gut usually has an exit, the anus, by which the animal disposes of solid wastes.
(ROOT (S (NP (JJ Solid) (NN waste)) (VP (VBZ is) (VP (VBN eliminated) (PP (IN from) (NP (DT the) (NN body))) (PP (IN through) (NP (DT the) (NNS anus))))) (. .)))