Citing conservative critics of Brown vs.
( Citing ( ( conservative critics ) ( of ( Brown vs. ) ) ) )
(ROOT (S (VP (VBG Citing) (NP (NP (JJ conservative) (NNS critics)) (PP (IN of) (NP (JJ Brown) (FW vs.)))))))
Conservative critics wrote about the Brown case.  
( ( Conservative critics ) ( ( wrote ( about ( the ( Brown case ) ) ) ) . ) )
(ROOT (S (NP (JJ Conservative) (NNS critics)) (VP (VBD wrote) (PP (IN about) (NP (DT the) (NNP Brown) (NN case)))) (. .)))