( ( ( ( ( A watershed ) , ) ( also ( called ( a ( drainage basin ) ) ) ) ) , ) ( ( is ( ( the area ) ( ( in which ) ( ( ( ( ( ( ( all water ) , ) sediments ) , ) and ) ( dissolved materials ) ) ( ( ( ( flow or ) drain ) ( from ( the land ) ) ) ( into ( ( ( ( ( ( ( ( a ( common river ) ) , ) lake ) , ) ocean ) , ) or ) ( ( other body ) ( of water ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN watershed)) (, ,) (VP (ADVP (RB also)) (VBN called) (NP (DT a) (JJ drainage) (NN basin))) (, ,)) (VP (VBZ is) (NP (NP (DT the) (NN area)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (NP (DT all) (NN water)) (, ,) (NP (NNS sediments)) (, ,) (CC and) (NP (JJ dissolved) (NNS materials))) (VP (VB flow) (CC or) (VB drain) (PP (IN from) (NP (DT the) (NN land))) (PP (IN into) (NP (NP (DT a) (JJ common) (NN river)) (, ,) (NP (NN lake)) (, ,) (NP (NN ocean)) (, ,) (CC or) (NP (NP (JJ other) (NN body)) (PP (IN of) (NP (NN water))))))))))) (. .)))
A watershed, also called a drainage basin, is the area in which all water, sediments, and dissolved materials flow or drain from the land into a common river, lake, ocean, or other body of water.
(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)))))))