 new and creative research.
( ( ( new and ) ( creative research ) ) . )
(ROOT (NP (NP (NP (JJ new)) (CC and) (NP (JJ creative) (NN research))) (. .)))
Old and obsolete research.
( ( ( Old and ) ( obsolete research ) ) . )
(ROOT (NP (NP (NP (NNP Old)) (CC and) (NP (JJ obsolete) (NN research))) (. .)))