Thus, the imbalance in the volume of mail exchanged magnifies the effect of the relatively higher rates in these countries.
( Thus ( , ( ( ( the imbalance ) ( in ( ( the volume ) ( of ( mail exchanged ) ) ) ) ) ( ( magnifies ( ( the effect ) ( of ( ( the ( ( relatively higher ) rates ) ) ( in ( these countries ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Thus)) (, ,) (NP (NP (DT the) (NN imbalance)) (PP (IN in) (NP (NP (DT the) (NN volume)) (PP (IN of) (NP (NP (NN mail)) (VP (VBN exchanged))))))) (VP (VBZ magnifies) (NP (NP (DT the) (NN effect)) (PP (IN of) (NP (NP (DT the) (ADJP (RB relatively) (JJR higher)) (NNS rates)) (PP (IN in) (NP (DT these) (NNS countries))))))) (. .)))
There is more mail coming in than going out.
( There ( ( is ( more ( mail ( ( coming in ) ( than ( going out ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBZ is) (NP (JJR more) (NN mail) (S (VP (VBG coming) (PRT (RP in)) (PP (IN than) (S (VP (VBG going) (PRT (RP out))))))))) (. .)))