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