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 of law firms wrestle with these issues.
( ( ( Practice groups ) ( of ( law firms ) ) ) ( ( wrestle ( with ( these issues ) ) ) . ) )
(ROOT (S (NP (NP (JJ Practice) (NNS groups)) (PP (IN of) (NP (NN law) (NNS firms)))) (VP (VB wrestle) (PP (IN with) (NP (DT these) (NNS issues)))) (. .)))