to seek and strike just the right tone 
(ROOT (S (VP (TO to) (VP (VP (VB seek)) (CC and) (VP (VB strike) (NP (RB just) (DT the) (JJ right) (NN tone)))))))
(ROOT (S (VP (TO ) (VP (VP (VB )) (CC ) (VP (VB ) (NP (RB ) (DT ) (JJ ) (NN )))))))