It is unlike Dr. Aman to cloak his subject'dirty language'under the euphemism  verbal aggression : he and most of the authors of the articles appearing in Maledicta let it all hang out; some, however, tuck it away neatly and write under a pseudonym.
( It ( ( ( is ( unlike ( Dr. Aman ) ) ) ( to ( ( ( ( ( ( cloak ( his ( subject ( ` ( dirty language'under ) ) ) ) ) ( ( ( ( ( the ( euphemism ( verbal aggression ) ) ) : ) he ) and ) ( ( ( most ( of ( ( the authors ) ( of ( ( the articles ) ( ( appearing ( in Maledicta ) ) ( let ( it ( all ( hang out ) ) ) ) ) ) ) ) ) ) ; ) ( ( some , ) however ) ) ) ) , ) ( ( ( tuck it ) away ) neatly ) ) and ) ( write ( under ( a pseudonym ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (PP (IN unlike) (NP (NNP Dr.) (NNP Aman))) (S (VP (TO to) (VP (VP (VB cloak) (NP (PRP$ his) (NN subject) (`` `) (JJ dirty) (NN language'under)) (NP (NP (DT the) (JJ euphemism) (JJ verbal) (NN aggression)) (: :) (NP (PRP he)) (CC and) (NP (NP (NP (JJS most)) (PP (IN of) (NP (NP (DT the) (NNS authors)) (PP (IN of) (NP (NP (DT the) (NNS articles)) (VP (VBG appearing) (PP (IN in) (NP (NNP Maledicta))) (S (VP (VB let) (S (NP (PRP it)) (RB all) (VP (VB hang) (PRT (RP out)))))))))))) (: ;) (NP (NP (DT some)) (, ,) (ADVP (RB however)))))) (, ,) (VP (VB tuck) (NP (PRP it)) (PRT (RP away)) (ADVP (RB neatly))) (CC and) (VP (VB write) (PP (IN under) (NP (DT a) (NN pseudonym)))))))) (. .)))
Those who write under a pseudonym are cowardly people.
( ( Those ( who ( write ( under ( a pseudonym ) ) ) ) ) ( ( are ( cowardly people ) ) . ) )
(ROOT (S (NP (NP (DT Those)) (SBAR (WHNP (WP who)) (S (VP (VBP write) (PP (IN under) (NP (DT a) (NN pseudonym))))))) (VP (VBP are) (NP (JJ cowardly) (NNS people))) (. .)))