Dear dad!
This is one of your many coupons from us, Sister`s services!
This coupon contains three services you can ask us to do for you. For instant:
You notice the long grass in the garden and sights sadly to yourself. You really don`t want to cut the grass - it`s so much work!
Then, you show us this coupon and realize that you can almost demand us to do it for you! You happily lay down on the sunchair and open a bottle of coca cola zero, knowing that YOU don`t have to cut the grass!
What a great invention, you think.