Three replies three different answers

One of you is right...here is the problem in a different form:

Let the cards show "beer," "cola," "16 years," and "22 years." On one side of each card is the name of a drink; on the other side is the age of the drinker. What card(s) must be turned over to determine if the following statement is false? "If a person is drinking beer, then the person is over 19-years-old."