We have three blocks, A, B and C. Block A contains a small yellow square. Above block A is block B which contains one medium blue circle. To the right of block A there is block C which contains one medium blue circle, one small black triangle and a big black triangle. The medium blue circle is to the right of a medium yellow circle and the big black triangle. The small black triangle is touching the right edge of this block. The big black triangle is touching the bottom edge of this block. It is below the medium yellow circle.. The small black triangle is above and to the right of the big black triangle.
What is above the square? a medium blue circle or a medium yellow circle?
medium blue circle  medium yellow circle  both of them none of them