tantamount to insulting the intelligence of anyone who has n't been living under a rock 
(ROOT (ADJP (JJ tantamount) (PP (IN to) (S (VP (VBG insulting) (NP (NP (DT the) (NN intelligence)) (PP (IN of) (NP (NP (NN anyone)) (SBAR (WHNP (WP who)) (S (VP (VBZ has) (RB n't) (VP (VBN been) (VP (VBG living) (PP (IN under) (NP (DT a) (NN rock))))))))))))))))
(ROOT (ADJP (JJ ) (PP (IN ) (S (VP (VBG ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NP (NN )) (SBAR (WHNP (WP )) (S (VP (VBZ ) (RB ) (VP (VBN ) (VP (VBG ) (PP (IN ) (NP (DT ) (NN ))))))))))))))))