We have three blocks. We call them A, B and C. Block C is to the right of block B and above block A. Block A has one small black circle. Block B contains a small blue circle, one medium blue triangle and one small yellow triangle. The small blue circle is touching the bottom edge of this block. It is to the right of a medium black circle and the medium blue triangle. Below the medium black circle there is the medium blue triangle. It is touching the bottom edge of this block. The small yellow triangle is to the right of the medium black circle. And block C contains two big blue squares. Big blue square number one is above big blue square number two and a medium yellow circle. To the right of a medium yellow square there is big blue square number two. Near to the medium yellow circle there is the medium yellow square.
What is above the small black circle? a medium yellow square or a big blue square?
medium yellow square  big blue square  both of them none of them