@Murkrow obviously you missed the telepathy formation, it's not unrealistic at all that you couldn't guess what they were thinking about
@sempervirenx at the café I usually go by category (hot drink? snack? have a look in the fridge maybe?) but this was in the shop so I just started naming our 7200 stock items at random.
@Murkrow (I'm sorry you had to deal with such people)