There are three blocks. Lets call them A, B and C. Block C is to the left of blocks A and B. Block A has a medium black triangle and a medium yellow circle. To the left of the medium yellow circle there is the medium black triangle. Block B has one big black square. And block C contains one big black square, a small black square and a medium black circle. One medium yellow square is also touching the left edge of this block. The big black square is touching the right edge of this block. To the right of the medium yellow square is the medium black circle. The medium black circle is near to a medium blue circle.. The big black square is below the medium blue circle and the medium yellow square.
Which object is to the left of a big black square? the medium yellow square that is touching the left edge of a block or the medium black circle?
the medium yellow square  that is touching the left edge of a block  the medium black circle  both of them none of them