There are three blocks, A, B and C. Block A contains a medium yellow triangle, one small black triangle and a small yellow triangle. The small black triangle is below a small blue circle. The small yellow triangle is touching the right edge of this block. The medium yellow triangle is to the left of the small blue circle and the small black triangle. Above the small yellow triangle is the small black triangle. Block B is to the left of block A. It contains one medium black circle. Below block A there is block C with a small blue circle in it. A big blue circle is also in this block. This shape is above a big black circle. Above the big black circle is the small blue circle. It is to the right of the big blue circle.
What is to the right of the medium black circle? a small black triangle or a small blue circle?
small black triangle  small blue circle  both of them none of them