makes two hours feel like four 
(ROOT (S (VP (VBZ makes) (S (NP (CD two) (NNS hours)) (VP (VB feel) (PP (IN like) (NP (CD four))))))))
(ROOT (S (VP (VBZ ) (S (NP (CD ) (NNS )) (VP (VB ) (PP (IN ) (NP (CD ))))))))