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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 or_filter(self, filter_or_string, *args, **kwargs):
 """ Convenience method to delegate to the root_filter to generate an `or` clause. :return: :class:`~es_fluent.builder.QueryBuilder` """

        self.root_filter.or_filter(filter_or_string, *args, **kwargs)
        return self