Dear Ms. Hari and Ms. Leake,
Good evening. Earlier tonight, I read your change.org petition calling for a ban on Yellow #5 (tartrazine) and Yellow #6 (Sunset Yellow) in Kraft Mac & Cheese. I must say that, while not a mac connoisseur myself, I have certainly eaten it once or twice. Furthermore, I agree that all processed food companies should periodically review their popular brands, taking into consideration consumer sentiment, and should make every effort to produce quality goods.
Since your petition now has well over 230,000 signatories, I assume many in the general public agree with us. But I must know: Where did you source the scientific data for your claims?
Let's start from the top: