But only four editors for such a massive work?
( But ( ( only ( four editors ) ) ( ( for ( such ( a ( massive work ) ) ) ) ? ) ) )
(ROOT (FRAG (CC But) (ADVP (RB only) (NP (CD four) (NNS editors))) (PP (IN for) (NP (PDT such) (DT a) (JJ massive) (NN work))) (. ?)))
Seven editors is adequate for the work.
( ( Seven editors ) ( ( is ( adequate ( for ( the work ) ) ) ) . ) )
(ROOT (S (NP (CD Seven) (NNS editors)) (VP (VBZ is) (ADJP (JJ adequate) (PP (IN for) (NP (DT the) (NN work))))) (. .)))