a couple hours of summertime and a bucket of popcorn 
(ROOT (NP (NP (NP (DT a) (NN couple) (NNS hours)) (PP (IN of) (NP (NN summertime)))) (CC and) (NP (NP (DT a) (NN bucket)) (PP (IN of) (NP (NN popcorn))))))
(ROOT (NP (NP (NP (DT ) (NN ) (NNS )) (PP (IN ) (NP (NN )))) (CC ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN ))))))