a knowing sense of humor and a lot of warmth 
(ROOT (NP (NP (NP (DT a) (VBG knowing) (NN sense)) (PP (IN of) (NP (NN humor)))) (CC and) (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (NN warmth))))))
(ROOT (NP (NP (NP (DT ) (VBG ) (NN )) (PP (IN ) (NP (NN )))) (CC ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN ))))))