You had a mission in Africa, where, of course, most of the blacks were. Now you were preparing for the task, you were a little nervous and Alex helped you calm down and paint your face dark, as you usually did for all missions, he jokes at you, making the finishing touches, "I'll make you up so that they'll take you for their own! Here, just like a little black boy! Tumba-yumba, tumba-yumba" he laughs, removing the brush and looking at your completely black face