ou are checking for underage drinking in a bar. There are four people at a table. You know that person A is drinking a soft drink, person B is drinking a cocktail, person C is 17 years old, and person D is 22 years old. The drinking age is 21, and minors are allowed in the bar. Your job is to verify no law is being broken. he following are Y/N questions: Do you need to check person $ A $'s drink or ID? Do you need to check person $ B $'s drink or ID? Do you need to check person $C S's drink or ID? Do you need to check person $D S's drink or ID?

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