There are three blocks, A, B and C. There are a small black circle and a medium black circle in block A. Above the medium black circle there is the small black circle. Then, there is block B with one medium black triangle, a big yellow circle and one big black square in it. The medium black triangle is touching the bottom edge of this block. It is to the right of the big yellow circle. To the left of and below the big black square is the big yellow circle. Finally, to the right of block A we have block C. It is to the left of block B. It has a big black circle.
Which object is to the left of a medium black shape? the medium black circle or the small black circle?
the medium black circle  the small black circle  both of them none of them