There are two blocks. We call them A and B. Block A is to the left of B. Block A has a medium blue square, a medium blue circle and a big black square. There is also one medium black triangle touching the bottom edge of this block. The medium blue square is below the medium blue circle and the big black square. The big black square is touching the right edge of this block. Below and to the left of the big black square there is the medium black triangle. To the left of the big black square is the medium blue circle. Block B contains two big black squares. One small blue triangle is also touching the top edge of this block. Above, to the left of and near to big black square number two is the small blue triangle.
Which object is to the left of a big black square? the medium circle or the black thing which is touching the right edge of a block?
the medium circle  the black thing which is touching the right edge of  a block  both of them none of them