An overall increase in prices is only possible when there has been an overall increase in the amount of money in circulation.
( ( ( An ( overall increase ) ) ( in prices ) ) ( ( ( is ( only possible ) ) ( when ( there ( has ( ( been ( ( an ( overall increase ) ) ( in ( ( the amount ) ( of money ) ) ) ) ) ( in circulation ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT An) (JJ overall) (NN increase)) (PP (IN in) (NP (NNS prices)))) (VP (VBZ is) (ADJP (RB only) (JJ possible)) (SBAR (WHADVP (WRB when)) (S (NP (EX there)) (VP (VBZ has) (VP (VBN been) (NP (NP (DT an) (JJ overall) (NN increase)) (PP (IN in) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NN money)))))) (PP (IN in) (NP (NN circulation)))))))) (. .)))
Price hikes are only possible if there is more money in circulation.
( ( Price hikes ) ( ( are ( only ( possible ( if ( there ( is ( ( more money ) ( in circulation ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Price) (NNS hikes)) (VP (VBP are) (ADJP (RB only) (JJ possible) (SBAR (IN if) (S (NP (EX there)) (VP (VBZ is) (NP (NP (JJR more) (NN money)) (PP (IN in) (NP (NN circulation))))))))) (. .)))