Neither does it include the mail sent in response to advertising.
( Neither ( ( does ( it ( include ( ( the mail ) ( ( sent ( in response ) ) ( to advertising ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT Neither)) (VP (VBZ does) (SBAR (S (NP (PRP it)) (VP (VBP include) (SBAR (S (NP (DT the) (NN mail)) (VP (VBD sent) (PP (IN in) (NP (NN response))) (PP (TO to) (NP (NN advertising)))))))))) (. .)))
It does not include the mail sent in response to advertising, which might drive up revenue.
( It ( ( ( does not ) ( include ( ( the mail ) ( ( sent ( in response ) ) ( to ( ( advertising , ) ( which ( might ( ( drive up ) revenue ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ does) (RB not) (VP (VB include) (NP (NP (DT the) (NN mail)) (VP (VBN sent) (PP (IN in) (NP (NN response))) (PP (TO to) (NP (NP (NN advertising)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (MD might) (VP (VB drive) (PRT (RP up)) (NP (NN revenue)))))))))))) (. .)))