source_data
https://appen-success-center.s3.amazonaws.com/text_relationships_example.json
https://appen-success-center.s3.amazonaws.com/text_relationships_example.json
https://appen-success-center.s3.amazonaws.com/text_relationships_example.json
https://appen-success-center.s3.amazonaws.com/text_relationships_example.json
https://appen-success-center.s3.amazonaws.com/text_relationships_example.json