Update README.md

README.md

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 license: apache-2.0
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+Dataset for ["Beyond the Lens: Quantifying the Impact of Scientific Documentaries through Amazon Reviews"](https://arxiv.org/abs/2502.08705).
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 ## How to use
 
 Can be loaded with `Pandas` as:
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 ### Data Format
 
+Columns:
+* `sentence` - sentence from review, as tokenized with spaCy
+* `sentiment` - final sentiment category
+* `impact` - final impact category
+* `film_title` - title of film
+* `duplicated` - does the same text (once punctuation is removed) appear more than once in the dataset?
+* `sentiments` - full list of sentiments from annotators
+* `impacts` - full list of impacts from annotators
+* `full_review` - currently not in dataset, to be uploaded later (as of 02/26/2025)
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+For further details, please see paper.
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 ## How to Cite
 
 Paper: ["Beyond the Lens: Quantifying the Impact of Scientific Documentaries through Amazon Reviews"](https://arxiv.org/abs/2502.08705)