a filmmaker to let this morph into a typical romantic triangle 
(ROOT (S (NP (DT a) (NN filmmaker)) (VP (TO to) (VP (VB let) (S (NP (DT this)) (VP (VB morph) (PP (IN into) (NP (DT a) (JJ typical) (JJ romantic) (NN triangle)))))))))
(ROOT (S (NP (DT ) (NN )) (VP (TO ) (VP (VB ) (S (NP (DT )) (VP (VB ) (PP (IN ) (NP (DT ) (JJ ) (JJ ) (NN )))))))))