which has a handful of smart jokes 
(ROOT (SBAR (WHNP (WDT which)) (S (VP (VBZ has) (NP (NP (DT a) (NN handful)) (PP (IN of) (NP (JJ smart) (NNS jokes))))))))
(ROOT (SBAR (WHNP (WDT )) (S (VP (VBZ ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (JJ ) (NNS ))))))))