it 's not that funny -- which is just generally insulting . 
(ROOT (S (NP (PRP it)) (VP (VP (VBZ 's) (RB not) (ADJP (RB that) (JJ funny))) (, --) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (ADJP (RB just) (RB generally) (JJ insulting)))))) (. .)))
(ROOT (S (NP (PRP )) (VP (VP (VBZ ) (RB ) (ADJP (RB ) (JJ ))) (, ) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (ADJP (RB ) (RB ) (JJ )))))) (. )))