We have three blocks, A, B and C. There are a big blue circle and a small blue square in block A. There is also a big yellow square in this block. It also has one medium yellow square. Above the small blue square is the big yellow square. It is below the medium yellow square. The big blue circle is to the right of the medium yellow square. This object is above the small blue square which is below the medium yellow square. Below block A is block B which contains a big yellow circle, a big black square and one small black square. The big yellow circle is below, near to and to the left of a small blue triangle. The big black square is touching the bottom edge of this block. This shape is to the right of the small black square. Above and to the right of the small black square which is to the left of the small blue triangle there is the big yellow circle. To the right of block B there is block C. It has a small yellow square and a small yellow triangle. The small yellow square is to the right of the small yellow triangle.
What is below the medium shape? a big blue circle or a small black square?
big blue circle  small black square  both of them none of them