about 90 minutes of a so-called ` comedy ' and not laugh 
(ROOT (NP (NP (NP (QP (RB about) (CD 90)) (NNS minutes)) (PP (IN of) (NP (DT a) (ADJP (RB so) (HYPH -) (VBN called)) (`` `) (NN comedy) ('' ')))) (CC and) (RB not) (VB laugh)))
(ROOT (NP (NP (NP (QP (RB ) (CD )) (NNS )) (PP (IN ) (NP (DT ) (ADJP (RB ) (HYPH ) (VBN )) (`` ) (NN ) ('' )))) (CC ) (RB ) (VB )))