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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def tag_clause_annotations(self):
 """Tag clause annotations in ``words`` layer. Depends on morphological analysis. """

        if not self.is_tagged(ANALYSIS):
            self.tag_analysis()
        if self.__clause_segmenter is None:
            self.__clause_segmenter = load_default_clausesegmenter()
        return self.__clause_segmenter.tag(self)