We have three blocks. We call them A, B and C. There is one medium yellow circle in block A. Above block A is block B with one small black triangle and a medium black square in it. A small yellow circle is to the left of the small black triangle and the medium black square. To the left of block B there is block C. It contains a medium blue circle.
Which object is above a medium yellow circle? the medium blue circle or the square?
the medium blue circle  the square  both of them none of them