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