The conversation between human and AI assistant.
[|Human|] What ingredients are no longer used in ketchup?
[|AI|] Ketchup used to contain many different ingredients that created the sweet and sour flavor traditionally associated with tomato ketchup, including egg whites, mushrooms, oysters, grapes, mussels, or walnuts.
[|Human|] 
What ingredients are no longer used in ketchup?