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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 process_mrf_lines( self, mrf_lines, **kwargs ):
        ''' Executes the preprocessing pipeline on mrf_lines.

            The input should be an analysis of the text in Filosoft's old mrf format;

            Returns the input list, where elements (tokens/analyses) have been converted
            into the new format;
        '''
        converted1 = convert_mrf_to_syntax_mrf( mrf_lines, self.fs_to_synt_rules )
        converted2 = convert_pronouns( converted1 )
        converted3 = remove_duplicate_analyses( converted2, allow_to_delete_all=self.allow_to_remove_all )
        converted4 = add_hashtag_info( converted3 )
        converted5 = tag_subcat_info( converted4, self.subcat_rules )
        converted6 = remove_duplicate_analyses( converted5, allow_to_delete_all=self.allow_to_remove_all )
        converted7 = convert_to_cg3_input( converted6 )
        return converted7