( ( ( ( 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 (NP (NNP Fracking)) (VP (VBZ is) (NP (NP (DT another) (NN term)) (PP (IN for) (NP (JJ hydraulic) (NN fracturing))))) (. .)))