There are three blocks. Lets call them A, B and C. One small yellow circle is in block A. This block also has a big yellow circle and one small black square. The big yellow circle is above the small yellow circle and the small black square. Below block A is block B. It has one medium yellow square. Below block A there is block C which contains two small black squares. It also has one medium black square. Above a medium blue square is small black square number one. The medium blue square is touching the bottom edge of this block. A big black circle is touching the right edge of this block.. A small blue circle is touching the bottom edge of this block.. Small black square number two is touching the right edge of this block. It is above the big black circle and the small blue circle.
What is above the medium yellow square? a medium blue square or a small black square?
medium blue square  small black square  both of them none of them