There are three blocks, A, B and C. Block A contains two medium yellow circles. A big blue square is also touching the bottom edge of this block. Medium yellow circle number one is to the left of and above the big blue square. Medium yellow circle number two is to the left of the big blue square. Block B is to the left of block A. It contains a small blue square and one medium yellow triangle. A medium black square is also in this block. It is above and to the left of the medium yellow triangle. The small blue square is touching the medium yellow triangle. Below block A there is block C which contains one big black circle and one small blue circle. This block also has one small yellow triangle. The big black circle is to the left of the small blue circle.. To the left of and above the small blue circle there is the small yellow triangle.
What is to the right of the medium black square? a medium yellow circle or a small blue circle?
medium yellow circle  small blue circle  both of them none of them