a customer takes their first sip of expensive coffee and immediately makes a disgusted face, realizing it tastes terrible. The cup contains cheap instant coffee powder instead of the premium beans advertised on the menu board. The customer holds up the cup questioningly toward the nervous barista who looks away sheepishly. Other customers nearby notice the commotion and start examining their own drinks suspiciously. A pile of empty instant coffee packets sits partially hidden behind the espresso machine. someone discovering they received an inferior substitute replacement instead of the genuine product they expected