We have two blocks. We call them A and B. Block A is to the left of B. Block A contains two big black triangles. It also has a big black circle. It is below and to the left of big black triangle number two. Big black triangle number one is touching the right edge of this block. It is to the right of the big black circle. Block B has one big blue circle, one medium yellow square and one small blue circle. To the left of and below the small blue circle there is the medium yellow square. Below the small blue circle is the big blue circle. This shape is to the right of the square which is to the left of the small blue circle.
What is to the left of the yellow square? a big blue circle or a big black circle?
big blue circle  big black circle  both of them none of them