a thriller without a lot of thrills 
(ROOT (NP (NP (DT a) (NN thriller)) (PP (IN without) (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (NNS thrills)))))))
(ROOT (NP (NP (DT ) (NN )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NNS )))))))