Well the thing is that people actually get this right in real life (e.g. with the rule ‘to drink you must be over 18’). I need something that occurs in real life and people fail at it.
No, people are more likely to get it right in real life. Some fraction of your audience will get it wrong, even with ages and drinks.
No, people are more likely to get it right in real life. Some fraction of your audience will get it wrong, even with ages and drinks.
To a first approximation, people get it right in real life.