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