NAME_1 is at NAME_2's house, they are having coffee. NAME_1 is having black coffee, while NAME_2 is having coffee with 2 sugars. NAME_2 wants to show NAME_1 something so he goes out the room. While he's out, NAME_1 switches their coffee cups. NAME_2 comes back in the room and takes a sip of coffee. Does he notice anything unusual about the taste? Provide exactly two different responses that are separated with 6 asterisk symbols: ******.
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