when your subject is illusion versus reality , should n't the reality seem at least passably real ? 
(ROOT (SBARQ (SBAR (WHADVP (WRB when)) (S (NP (PRP$ your) (NN subject)) (VP (VBZ is) (NP (NP (NN illusion)) (PP (IN versus) (NP (NN reality))))))) (, ,) (MD should) (RB n't) (NP (DT the) (NN reality)) (VP (VB seem) (S (ADVP (ADVP (IN at) (JJS least)) (RB passably) (JJ real)))) (. ?)))
(ROOT (SBARQ (SBAR (WHADVP (WRB )) (S (NP (PRP$ ) (NN )) (VP (VBZ ) (NP (NP (NN )) (PP (IN ) (NP (NN ))))))) (, ) (MD ) (RB ) (NP (DT ) (NN )) (VP (VB ) (S (ADVP (ADVP (IN ) (JJS )) (RB ) (JJ )))) (. )))