gut-wrenching style of joseph heller or kurt vonnegut 
(ROOT (NP (NP (ADJP (NN gut) (HYPH -) (JJ wrenching)) (NN style)) (PP (IN of) (NP (NP (NNP joseph) (NNP heller)) (CC or) (NP (NNP kurt) (NNP vonnegut))))))
(ROOT (NP (NP (ADJP (NN ) (HYPH ) (JJ )) (NN )) (PP (IN ) (NP (NP (NNP ) (NNP )) (CC ) (NP (NNP ) (NNP ))))))