Try to answer this king riddle?

[Megan]

A king was bad and he had a jar 4 a prisoner and in the jar will be two marbles on was suppose to be blue and the other is black the blue marble means the king will let him go and if he picked the black he will be stuck there forever. But this king put two black marbles in the jar for the prisoner. How did the prisoner get away?

 

[doug]

Zorro came in and saved him

 

[wowow]

The prisoner grabbed one of the marbles from the jar and concealed it in his hand. He then swallowed it, and picked up the other marble and showed everyone. The marble was black, and since the other marble was swallowed, it was assumed to be the blue one. So the mean king had to set him free.