This function returns the path (in terms of phrase types) from one term the root
        @type termid: string
        @param termid: one term id
        @rtype: list
        @return: the path, list of phrase types

def get_path_for_termid(self,termid):
        """
        This function returns the path (in terms of phrase types) from one term the root
        @type termid: string
        @param termid: one term id
        @rtype: list
        @return: the path, list of phrase types     
        """
        terminal_id = self.terminal_for_term.get(termid)
        paths = self.paths_for_terminal[terminal_id]
        labels = [self.label_for_nonter[nonter] for nonter in paths[0]]
        return labels