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