good performances and a realistic , non-exploitive approach 
(ROOT (NP (NP (JJ good) (NNS performances)) (CC and) (NP (DT a) (JJ realistic) (, ,) (JJ non-exploitive) (NN approach))))
(ROOT (NP (NP (JJ ) (NNS )) (CC ) (NP (DT ) (JJ ) (, ) (JJ ) (NN ))))