( ( 16 ( Another option ) ) ( ( is ( ( the implementation ) ( of ( ( ( a ( virtual ( water approach ) ) ) ( -LRB- ( ( ( based ( upon ( ( the processing ) ( of ( ( grains and ) foodstuffs ) ) ) ) ) ( to ( ( release ( trapped water ) ) ( for agriculture ) ) ) ) -RRB- ) ) ) ( which ( ( ( is , ) ( by ( ( some assessments ) ( , ( actually ( significantly ( more efficient ) ) ) ) ) ) ) ( than ( ( importation or ) desalinization ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (CD 16)) (NP (DT Another) (NN option))) (VP (VBZ is) (NP (NP (DT the) (NN implementation)) (PP (IN of) (NP (NP (DT a) (JJ virtual) (NN water) (NN approach)) (PRN (-LRB- -LRB-) (VP (VBN based) (PP (IN upon) (NP (NP (DT the) (NN processing)) (PP (IN of) (NP (NNS grains) (CC and) (NNS foodstuffs))))) (S (VP (TO to) (VP (VB release) (NP (JJ trapped) (NN water)) (PP (IN for) (NP (NN agriculture))))))) (-RRB- -RRB-)) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (, ,) (PP (IN by) (NP (NP (DT some) (NNS assessments)) (PRN (, ,) (ADVP (RB actually)) (ADVP (RB significantly)) (ADJP (RBR more) (JJ efficient))))) (PP (IN than) (NP (NN importation) (CC or) (NN desalinization)))))))))) (. .)))
16 Another option is the implementation of a virtual water approach (based upon the processing of grains and foodstuffs to release trapped water for agriculture) which is, by some assessments, actually significantly more efficient than importation or desalinization.
(ROOT (S (NP (NP (NNP Process)) (PP (IN of) (NP (NN desalinization)))) (VP (VBZ helps) (VP (VB provide) (NP (JJR cleaner) (NN water)) (PP (IN for) (NP (NN agriculture))))) (. .)))