( ( A watershed ) ( ( is ( all ( of ( ( ( ( the land ) ( that ( drains ( into ( ( a body ) ( of water ) ) ) ) ) ) , ) ( such ( as ( a ( river ( , ( stream ( , ( ( lake or ) wetland ) ) ) ) ) ) ) ) ) ) ) ) ; ) )
(ROOT (S (NP (DT A) (NN watershed)) (VP (VBZ is) (NP (NP (DT all)) (PP (IN of) (NP (NP (DT the) (NN land)) (SBAR (WHNP (WDT that)) (S (VP (VBZ drains) (PP (IN into) (NP (NP (DT a) (NN body)) (PP (IN of) (NP (NN water)))))))) (, ,) (PP (JJ such) (IN as) (NP (DT a) (NN river) (, ,) (NN stream) (, ,) (NN lake) (CC or) (NN wetland))))))) (: ;)))
A watershed is all of the land that drains into a body of water, such as a river, stream, lake or wetland;
(ROOT (S (NP (NP (DT All)) (PP (IN of) (NP (NP (DT the) (NN land)) (VP (VBN drained) (PP (IN by) (NP (DT a) (NN river) (NN system))))))) (VP (VBZ is) (VP (VBN called) (NP (NP (PRP$ its) (NN basin)) (, ,) (CC or) (NP (DT the) (`` ``) (JJ wet) ('' '') (NN term) (NN watershed)))))))