these guys seem great to knock back a beer with but they 're simply not funny performers . 
(ROOT (S (S (NP (DT these) (NNS guys)) (VP (VBP seem) (S (ADJP (JJ great) (SBAR (S (VP (TO to) (VP (VB knock) (PRT (RB back)) (NP (DT a) (NN beer)) (PP (IN with)))))))))) (CC but) (S (NP (PRP they)) (VP (VBP 're) (ADVP (RB simply)) (RB not) (NP (JJ funny) (NNS performers)))) (. .)))
(ROOT (S (S (NP (DT ) (NNS )) (VP (VBP ) (S (ADJP (JJ ) (SBAR (S (VP (TO ) (VP (VB ) (PRT (RB )) (NP (DT ) (NN )) (PP (IN )))))))))) (CC ) (S (NP (PRP )) (VP (VBP ) (ADVP (RB )) (RB ) (NP (JJ ) (NNS )))) (. )))