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