an elegant work , food of love 
(ROOT (NP (NP (DT an) (JJ elegant) (NN work)) (, ,) (NP (NP (NN food)) (PP (IN of) (NP (NN love))))))
(ROOT (NP (NP (DT ) (JJ ) (NN )) (, ) (NP (NP (NN )) (PP (IN ) (NP (NN ))))))