that even slightly wised-up kids would quickly change the channel 
(ROOT (SBAR (IN that) (S (NP (ADJP (ADVP (RB even) (RB slightly)) (VBN wised) (HYPH -) (RP up)) (NNS kids)) (VP (MD would) (ADVP (RB quickly)) (VP (VB change) (NP (DT the) (NN channel)))))))
(ROOT (SBAR (IN ) (S (NP (ADJP (ADVP (RB ) (RB )) (VBN ) (HYPH ) (RP )) (NNS )) (VP (MD ) (ADVP (RB )) (VP (VB ) (NP (DT ) (NN )))))))