Instruct: Classify Amazon reviews into positive or negative sentiment
Query: This is dangerous to your health, please dont try it.

This is awful and dangerous to your health. If you're that serious about losing weight, try weight watchers, that way you can still eat normal foods. This is so dangerous and detrimental to your health everyone, if you don't believe me, then research the effects on your own scientifically. I cant believe he's even allowed to sell a book that could cause someones death.