These are issues that we wrestle with in practice groups of law firms, she said. 
( ( These ( are ( issues ( that ( we ( wrestle ( with ( in ( ( practice groups ) ( of ( law firms ) ) ) ) ) ) ) ) ) ) ) ( , ( she ( said . ) ) ) )
(ROOT (S (S (NP (DT These)) (VP (VBP are) (NP (NP (NNS issues)) (SBAR (IN that) (S (NP (PRP we)) (VP (VB wrestle) (PP (IN with) (IN in) (NP (NP (NN practice) (NNS groups)) (PP (IN of) (NP (NN law) (NNS firms))))))))))) (, ,) (NP (PRP she)) (VP (VBD said)) (. .)))
Practice groups are not permitted to work on these issues.
( ( Practice groups ) ( ( ( are not ) ( permitted ( to ( work ( on ( these issues ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Practice) (NNS groups)) (VP (VBP are) (RB not) (VP (VBN permitted) (S (VP (TO to) (VP (VB work) (PP (IN on) (NP (DT these) (NNS issues)))))))) (. .)))