make a terrific 10th-grade learning tool 
(ROOT (S (VP (VB make) (NP (DT a) (JJ terrific) (NML (JJ 10th) (HYPH -) (NN grade)) (NN learning) (NN tool)))))
(ROOT (S (VP (VB ) (NP (DT ) (JJ ) (NML (JJ ) (HYPH ) (NN )) (NN ) (NN )))))