make it an above-average thriller 
(ROOT (S (VP (VB make) (S (NP (PRP it)) (NP (DT an) (ADJP (JJ above) (HYPH -) (JJ average)) (NN thriller))))))
(ROOT (S (VP (VB ) (S (NP (PRP )) (NP (DT ) (ADJP (JJ ) (HYPH ) (JJ )) (NN ))))))