Update README.md

README.md

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 task_categories:
 - multiple-choice
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-# Dataset of (Du et al., 2022)
+# Dataset of (Du et al., 2022) (Unofficial reupload)
 
 ## Abstract
 
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 ## Notes
 
+This is an unofficial reupload of the [original e-CARE dataset](https://github.com/waste-wood/e-care). We are not affiliated with the original authors and the Hugging Face team. Please refer to the original paper for more details.
 Please note that the original dataset has been modified so that the variable names match with those in the COPA dataset (Roemmele et al., 2011). In addition, only the training and the development sets are [publicly available](https://github.com/waste-wood/e-care).
 
 ## References