We have three blocks. Lets call them A, B and C. Block A contains a medium yellow triangle, one medium blue square and a big yellow square. Below the big yellow square is the medium yellow triangle. The medium blue square is touching the bottom edge of this block. Near to and above the medium blue square there is the medium yellow triangle. To the right of block A there is block B which contains one medium black square, one small black triangle and a small black square. To the left of, below and near to the small black square there is the medium black square. The small black square is touching the right edge of this block. To the right of block A there is block C which contains a small yellow circle. This block also has a medium black circle. The small yellow circle is to the right of the medium black circle.
Which object is to the left of a medium black circle? the big yellow square or the small yellow circle?
the big yellow square  the small yellow circle  both of them none of them