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README.md

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-license: cc-by-4.0
+license: cc-by-nc-sa-3.0
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 # Minecraft MCQ Datasets
 
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 ### License
 
-These datasets are made available under the [Creative Commons Attribution 4.0 International License](https://creativecommons.org/licenses/by/4.0/).
+This dataset is made available under the [Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License](https://creativecommons.org/licenses/by-nc-sa/3.0/).
 
 ### DOI