a sleep-inducing thriller with a single 
(ROOT (NP (NP (DT a) (ADJP (NN sleep) (HYPH -) (VBG inducing)) (NN thriller)) (PP (IN with) (NP (DT a) (JJ single)))))
(ROOT (NP (NP (DT ) (ADJP (NN ) (HYPH ) (VBG )) (NN )) (PP (IN ) (NP (DT ) (JJ )))))