Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Be Warned

I made a HUGE mistake in purchasing this DVD. This is one of the worst, most predictable films I have ever seen. You see, when you watch a film, you want to be surprised. You don't want to have to say, "Oh, let me guess, this is going to happen..." Save yourself the money and just rent it if you still want to, but at least, you have been warned. Enough said.