It’s because cheese and milk are both dairy products and when you put them together you get a new dairy product.
assitant
I don’t know the answer to that.
assistant
Why does cheese melt?
user
Um, because it’s a dairy product?
assistant
Does dairy make it melt? Why
user
I don’t understand the question.
assistant
Why does dairy make cheese melt
user
Do you mean, why does the cheese melt because of the dairy?
assistant
yes
user