Who knew beds were different here

So we hired some housekeepers here. Sisters from Poland. Very nice and they did a good job so far. Only they weren't exactly sure what to do with the 2 sheets and comforter to make the beds. This is MJ's bed. Bottom fitted sheet put on correctly. Top sheet they told me they have never seen before, and even though I told them it went between the comforter and bottom sheet they still didn't seem to know what to do with it. The green comforter is a standard twin comforter. The monkies are supposed to go at the bottom. But instead they tri-folded it and put it on sideways. And then that's the top sheet folded on top. Interesting.