Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A reasonable book but the online resources it boasts about really suck

The book is OK, but don't count on finding any of the online stuff that the book boasts about on the back cover. I have looked everywhere trying to find it, but to no avail. I think they discontinued all the premium content or something. The website it gives to enter your registration code doesn't have a place to register. I recently emailed McGraw Hill tech support to ask what happened to the online content, but I am still waiting for a response.