( ( ( The goal ) ( of ( this ( response action ) ) ) ) ( ( was ( ( ( ( to ( ( ( ( prevent ( infiltration ( of water ) ) ) ( into ( the tailing ) ) ) , ) ( prevent ( erosion ( of ( the tailing ) ) ) ) ) ) , ) and ) ( to ( ( treat ( the ( impoundment seep ) ) ) ( until ( it ( was gone ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN goal)) (PP (IN of) (NP (DT this) (NN response) (NN action)))) (VP (VBD was) (S (VP (VP (TO to) (VP (VB prevent) (NP (NP (NN infiltration)) (PP (IN of) (NP (NN water)))) (PP (IN into) (NP (DT the) (NN tailing))) (, ,) (S (VP (VB prevent) (NP (NP (NN erosion)) (PP (IN of) (NP (DT the) (NN tailing)))))))) (, ,) (CC and) (VP (TO to) (VP (VB treat) (NP (DT the) (NN impoundment) (NN seep)) (SBAR (IN until) (S (NP (PRP it)) (VP (VBD was) (VP (VBN gone)))))))))) (. .)))
The goal of this response action was to prevent infiltration of water into the tailing, prevent erosion of the tailing, and to treat the impoundment seep until it was gone.
(ROOT (S (NP (NP (NNP Water)) (VP (VBG seeping) (PP (IN into) (NP (DT the) (NN ground))))) (VP (VBZ is) (VP (VBN known) (PP (IN as) (NP (NN infiltration))))) (. .)))