Part 1. Definition
Given a review text from amazon and its polarity (either positive or negative). Generate answer "True" if given sentence and its polarity match, otherwise generate answer "False". A review is considered positive if the reviewer is satisfied with the product. Otherwise, it is considered negative.
Part 2. Example
Review: Easy product to install. No fuss. Plug it in. It is out of sight behind a couch. I am satisfied.
Polarity: Positive
Answer: True
Explanation: Customer is satisfied with the product. Therefore, it has positive polarity.
Part 3. Exercise
Review: This book is useful for teaching lower division undergraduate students the principles of microeconomics.It can be used as a supplementary book.Hazlitt emphasizes the important concept of opportunity cost,but neglects to incorporate any discussion of spillover effects and externalities(positive and negative,depletable and undepletable),market failure,public goods,the theory of second best,adverse selection,moral hazard, the principal-agent problem,etc.It is interesting that all these missing topics were originally covered by Adam Smith in The Wealth of Nations(1776),especially in Part V.
Polarity: Negative
Answer:
False