You are given a review of Amazon's food products. Your task is to divide them into two classes: negative or positive, depending on the content of the review.
--------
Question: This baking soda works great for cooking or for health reasons.  I take it for acid indigestion and heart burn.  Just a 1 tsp in a half glass of water and it's gone.  I use it to make my body more alkaline, so it's great for changing your pH level in your body!

Answer: Positive


Question: This is ridiculous.  The best gourmet ketchup I have ever tasted.  It is pricey, but wow..love this stuff.  It would make a great gift for someone who is hard to buy for but loves their ketchup.  Yummy!

Answer: Positive


Question: Kettle chis are the best ever! These used to be my favorite flavor until I tried their Salt and Pepper kind but I'm sure this is just a personal preference.  Crunchy, real potato chips!

Answer:
Positive