On Apr 17, 8:55 am, Clarendon <jine...@hotmail.com> wrote: > Hello! > > I need a program that accesses a parse tree based on the designated > words (terminals) within the tree. For instance, in: > > I came a long way in changing my habit. > > (ROOT > (S > (NP (PRP I)) > (VP (VBD came) > (NP (DT a) (JJ long) (NN way)) > (PP (IN in) > (S > (VP (VBG changing) > (NP (PRP$ my) (NN habit)))))) > > the designated words are "a long way". I need the program to recognize > how many parentheses there are after them. Currently two: NN way)). > Then I need it to see how many parentheses there are before it. > Currently there are two as well: (NP (DT.
Why is the answer not (S (VP (NP (DT ? You may need to explain what you mean by "before" and "after" ... also the parentheses are an artifact of this particular method of representing a parse tree. What in general terms are you trying to do? > Then the program should some text is missing here > that > the designated wordssee are followed by (PP (IN in) and then by (S what is "wordssee"? > (VP (VBG. > > I looked at the NLTK Tree class but it does not seem to have a method > that works with designated words. Is there some kind of tree navigator > that does something like this? If I need to write one myself, I would > appreciate any tips about where to start. Having a clear statement of requirements would make a good start. -- http://mail.python.org/mailman/listinfo/python-list