Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Poorly Written

This book, while occasionally presenting useful information, was on the whole written very poorly. Many statements like "We do not know what this means," littered the book with useless, inconclusive babble. The studies were purely linear in nature and provided no valid conclusions or insights into usability. It was almost as if the researchers were afraid to admit to drawing any conclusions from their findings. They also neglected to actually capture the content they were researching, the 1996 Olympic site for example, and could therefore not present pictures of the site when it went offline. Their painful admission of this fact only strengthened their lack of credibility. Read it if you'd like a good laugh.