( Detergents ( , ( ( ( ( ( ( some animal ) feedstuffs ) , ) and ) ( ( other ( ( ( domestic and ) industrial ) pollutants ) ) ( can ( ( introduce substances ) ( into ( ( the water ) ( that ( could ( be ( interpreted ( as ( all ( the ( common ( tracers ( OBA ( , ( ( fluorescein and ) rhodamine ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Detergents)) (, ,) (S (NP (DT some) (NN animal)) (VP (VBZ feedstuffs))) (, ,) (CC and) (S (NP (JJ other) (UCP (JJ domestic) (CC and) (JJ industrial)) (NNS pollutants)) (VP (MD can) (VP (VB introduce) (NP (NNS substances)) (PP (IN into) (NP (NP (DT the) (NN water)) (SBAR (WHNP (WDT that)) (S (VP (MD could) (VP (VB be) (VP (VBN interpreted) (PP (IN as) (NP (PDT all) (DT the) (JJ common) (JJ tracers) (NN OBA) (, ,) (NN fluorescein) (CC and) (NN rhodamine))))))))))))) (. .)))
Detergents, some animal feedstuffs, and other domestic and industrial pollutants can introduce substances into the water that could be interpreted as all the common tracers OBA, fluorescein and rhodamine.
(ROOT (S (NP (DT A) (NN tracer)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN for) (NP (NP (DT a) (NN substance)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (VP (VB be) (VP (VBN used) (S (VP (TO to) (VP (VB follow) (NP (NP (DT the) (NN pathway)) (PP (IN of) (NP (DT that) (NN substance)))) (PP (IN through) (NP (DT some) (NN structure))))))))))))))) (. .)))