not only that but they don't pay the money either
( ( not only ) ( that ( but ( they ( ( do n't ) ( ( pay ( the money ) ) either ) ) ) ) ) )
(ROOT (FRAG (ADVP (RB not) (RB only)) (SBAR (IN that) (FRAG (S (CC but) (NP (PRP they)) (VP (VBP do) (RB n't) (VP (VB pay) (NP (DT the) (NN money)) (ADVP (RB either)))))))))
They also do not contribute financially.
( They ( also ( ( ( do not ) ( contribute financially ) ) . ) ) )
(ROOT (S (NP (PRP They)) (ADVP (RB also)) (VP (VBP do) (RB not) (VP (VB contribute) (ADVP (RB financially)))) (. .)))