There are three blocks. We call them A, B and C. Blocks A and C are to the left of B. Block A has a medium black triangle. Block B has a small yellow circle. A small black square is also in this block. It is above the small yellow circle. A small black circle is to the left of the small yellow circle and the small black square. And block C contains one small blue triangle. To the left of a medium blue circle is the small blue triangle.
Which object is to the right of a medium black triangle? the medium blue circle or the small blue triangle?
the medium blue circle  the small blue triangle  both of them none of them