Context The [Sentiment Polarity Dataset Version 2.0](http://www.cs.cornell.edu/people/pabo/movie-review-data/) is created by Bo Pang and Lillian Lee. This dataset is redistributed with NLTK with permission from the authors. This corpus is also used in the [**Document Classification** section of Chapter 6.1.3 of the NLTK book](http://www.nltk.org/book/ch06.html). Content This dataset contains 1000 positive and 1000 negative processed reviews. Citation Bo Pang and Lillian Lee. 2004. A Sentimental Education: Sentiment Analysis Using Subjectivity Summarization Based on Minimum Cuts. In ACL. Bibtex: @InProceedings{Pang+Lee:04a, author = {Bo Pang and Lillian Lee}, title = {A Sentimental Education: Sentiment Analysis Using Subjectivity Summarization Based on Minimum Cuts}, booktitle = "Proceedings of the ACL