We have one block which has one medium yellow square and a medium blue circle. Below a big yellow square is the medium yellow square. A big yellow circle is above the medium blue circle. The medium blue circle is touching the bottom edge of this block. The medium yellow square is touching the bottom edge of this block. Above the medium blue circle and the big yellow circle is the big yellow square. It also contains one small yellow circle. The small yellow circle is above the yellow object which is below the big yellow square.
Which object is above a blue object? the small yellow circle or the medium yellow square?
the small yellow circle  the medium yellow square  both of them none of them