Part 1. Definition
Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
Part 2. Example
I've read this book with much expectation, it was very boring all through out the book
Answer: Negative
Explanation: Review writer does not like the book because it was boring, therefore it is a negative review.
Part 3. Exercise
This is not a book, its a pamphlet that gives a very terse overview of the PL/I language. Its not a beginners book but a primer for experienced programmers. The only current book on PL/I is "The New PL/I" by Eberhard Sturm which is already out of print after being out less than 2 years
Answer:
Positive