an addictive guilty pleasure but the material 
(ROOT (NP (NP (DT an) (JJ addictive) (JJ guilty) (NN pleasure)) (CC but) (NP (DT the) (NN material))))
(ROOT (NP (NP (DT ) (JJ ) (JJ ) (NN )) (CC ) (NP (DT ) (NN ))))