Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Stick to writing humor columns, Dave

I've been a fan of Dave Barry for many years, so was excited to hear of his first novel. What a profound disappointment. The story is dull, the people are dull and, worst of all, the only funny character is the dog. If you want to buy my copy of this book cheap, send me an email--it's stinking up my house