( ( ( ( Hydraulic fracturing ) ( -LRB- ( fracking -RRB- ) ) ) fluid ) . )
(ROOT (NP (NP (NP (JJ Hydraulic) (NN fracturing)) (PRN (-LRB- -LRB-) (NP (NN fracking)) (-RRB- -RRB-))) (ADJP (JJ fluid)) (. .)))
Hydraulic fracturing (fracking) fluid.
(ROOT (S (PP (IN In) (NP (DT the) (JJ fracking) (NN industry))) (, ,) (NP (NNS fluids)) (VP (VBP are) (VP (VBN pumped) (PP (IN through) (NP (DT a) (NN borehole))) (, ,) (S (VP (VBG creating) (NP (NNS fractures)) (PP (IN in) (NP (NP (DT the) (NN rock)) (SBAR (WHNP (WDT that)) (S (VP (VBZ contains) (NP (DT the) (JJ natural) (NN gas))))))))))) (. .)))