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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 get_statements(self):
 """Process reader output to produce INDRA Statements."""

        for k, v in self.reader_output.items():
            for interaction in v['interactions']:
                self._process_interaction(k, interaction, v['text'], self.pmid,
                                          self.extra_annotations)