We have three blocks. We call them A, B and C. Block A contains one small black circle. A small yellow square is near to the small black circle. Block B is above block A. It has one small yellow triangle, a medium black triangle and one small yellow square. It also contains a medium black circle. Near to the small yellow square and the medium black triangle is the small yellow triangle. The medium black circle is to the right of the small yellow triangle. To the left of block A there is block C with one small blue square and one medium black triangle in it. The small blue square is to the right of and near to a small blue triangle. This shape is to the right of the medium black triangle.
Which object is to the right of a medium black triangle? the medium black circle or the small yellow triangle?
the medium black circle  the small yellow triangle  both of them none of them