Doctor:she is seriously and no point in treating her .
Cobbler:please doctor,I will pay you save her or kill her.
The doctor could not save her and she dies.After a week the doctor sends the bill.
Cobbler:omg!why should I pay?
I don't have that much money.
At last they decided to go to the king
King:Doctor,what exactly te cobbler say to you?
Doctor:He said that he had to pay me whether I cured his wife or killed her.
King:could you cure her?
King:Did you kill her ?
You neither cured her not killed her
HE DOES NOT OWE YOU ANYTHING .