There are three blocks. We call them A, B and C. Block B is to the left of block A and below block C. Block A contains one small black square and one small black circle. This block also has one medium black circle. To the right of the medium black circle is the small black circle. It is touching the right edge of this block. The small black square is near to and above the medium black circle. It is to the left of the small black circle. Block B has one small blue circle and one medium blue triangle. The small blue circle is to the left of the medium blue triangle. Block C has one small yellow triangle.
What is to the right of the medium blue triangle? a medium black circle or a small blue circle?
medium black circle  small blue circle  both of them none of them