The work in question offers nothing regarding language, so its review here is ancillary to the main function of VERBATIM.
( ( ( ( ( ( ( The work ) ( in question ) ) ( offers ( nothing ( regarding language ) ) ) ) , ) so ) ( ( its review ) ( here ( is ( ancillary ( to ( ( the ( main function ) ) ( of VERBATIM ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (DT The) (NN work)) (PP (IN in) (NP (NN question)))) (VP (VBZ offers) (NP (NP (NN nothing)) (PP (VBG regarding) (NP (NN language)))))) (, ,) (IN so) (S (NP (PRP$ its) (NN review)) (ADVP (RB here)) (VP (VBZ is) (ADJP (JJ ancillary) (PP (TO to) (NP (NP (DT the) (JJ main) (NN function)) (PP (IN of) (NP (NNP VERBATIM)))))))) (. .)))
Verbatim does not do book reviews.
( Verbatim ( ( ( does not ) ( do ( book reviews ) ) ) . ) )
(ROOT (S (NP (NNP Verbatim)) (VP (VBZ does) (RB not) (VP (VB do) (NP (NN book) (NNS reviews)))) (. .)))