the screen to attract and sustain an older crowd 
(ROOT (NP (NP (DT the) (NN screen)) (SBAR (S (VP (TO to) (VP (VB attract) (CC and) (VB sustain) (NP (DT an) (JJR older) (NN crowd))))))))
(ROOT (NP (NP (DT ) (NN )) (SBAR (S (VP (TO ) (VP (VB ) (CC ) (VB ) (NP (DT ) (JJR ) (NN ))))))))