efficiency and an affection for the period 
(ROOT (NP (NP (NN efficiency)) (CC and) (NP (NP (DT an) (NN affection)) (PP (IN for) (NP (DT the) (NN period))))))
(ROOT (NP (NP (NN )) (CC ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (NN ))))))