Update README.md

README.md

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 ## Observations
 - Each iteration has contributed to the model's evolving sophistication, leading to improved interpretive performance and accuracy.
-- Continuous evaluation, especially in complex or ambiguous cases, is pivotal for future enhancements.
+- Continuous evaluation, especially in complex or ambiguous cases, is pivotal for future enhancements.
+
+
+## License
+This dataset is licensed under [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/).
+Users are free to use, modify, and share it under the same terms, but **commercial use is prohibited**.