work that lacks both a purpose and a strong pulse 
(ROOT (NP (NP (NN work)) (SBAR (WHNP (WDT that)) (S (VP (VBZ lacks) (NP (CC both) (NP (DT a) (NN purpose)) (CC and) (NP (DT a) (JJ strong) (NN pulse))))))))
(ROOT (NP (NP (NN )) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (NP (CC ) (NP (DT ) (NN )) (CC ) (NP (DT ) (JJ ) (NN ))))))))