There are three blocks, A, B and C. Block B is below C and block C is above A. Block A has two small yellow squares. There are also a small black triangle and one small black circle in this block. To the right of and near to the small black triangle is small yellow square number one. To the right of the small black triangle there is small yellow square number two. Above and to the left of the small black circle is the small black triangle. Block B has one big yellow circle, a medium yellow circle and one big blue circle. Near to and to the right of a medium blue circle is the medium yellow circle. The big blue circle is touching the bottom edge of this block. The big yellow circle is touching the bottom edge of this block. This block also has a small blue square. Below and to the right of the small blue square there is the big yellow circle.. It is to the right of and below the medium blue circle. And block C has two big black triangles. There is also a small yellow triangle touching the right edge of this block. One medium black square is also in this block. It also has a small black square. Below and to the right of the small black square there is the small yellow triangle. Below, to the right of and far from big black triangle number two is big black triangle number one.
What is below the medium black square? a small yellow square or a medium blue circle?
small yellow square  medium blue circle  both of them none of them