There are three blocks. We call them A, B and C. Block C is to the right of and B is above A. Block A contains two big black squares. Big black square number one is touching the bottom edge of this block. This object is to the left of a medium black triangle and big black square number two. It also has one small yellow square. It is to the left of the medium black triangle which is above big black square number two. Big black square number one is below the yellow object which is to the left of the medium black triangle. Block B has one medium yellow circle. And block C has a medium blue triangle. This block also has a big blue square. It is touching the bottom edge of this block. The medium blue triangle is touching the bottom edge of this block. It is to the right of the big blue square.
What is below the circle? a small square or a medium black triangle?
small square  medium black triangle  both of them none of them