( ( In 2013 ) ( ( ( Cuadrilla and ) Centrica ) ( ( made ( ( ( ( ( plans ( for ( hydraulic fracturing ) ) ) , ) ( commonly ( known ( as fracking ) ) ) ) , ) ( at ( the site ) ) ) ) . ) ) )
(ROOT (S (PP (IN In) (NP (CD 2013))) (NP (NNP Cuadrilla) (CC and) (NNP Centrica)) (VP (VBD made) (NP (NP (NNS plans)) (PP (IN for) (NP (JJ hydraulic) (NN fracturing))) (, ,) (VP (ADVP (RB commonly)) (JJ known) (PP (IN as) (NP (NN fracking)))) (, ,) (PP (IN at) (NP (DT the) (NN site))))) (. .)))
In 2013 Cuadrilla and Centrica made plans for hydraulic fracturing, commonly known as fracking, at the site.
(ROOT (S (NP (NNP Fracking)) (VP (VBZ is) (NP (NP (DT another) (NN term)) (PP (IN for) (NP (JJ hydraulic) (NN fracturing))))) (. .)))