funny story (sometime ago)

there used to be a little boy named Joko who was black while his parents were white, because he felt different and his curiosity made him try to ventured to ask his mama.
Joko: Mama, is it true that I am Your child?
Mama: Yes, of course Joko is a mother's child, whose child is it? Why do you ask?
Joko: because the skin is white mama, but joko skin why black. Why did my mother give birth to her black skin?
Mama: Let it be
Joko: What !!! why ma? Ask joko curious
Mama: If you're white, you'll get easydirty.
Joko: What ??????????