We have three blocks. We call them A, B and C. There is a small yellow circle in block A. Then, we have block B with a small yellow triangle in it. This block also has one big black square. The big black square is to the left of the small yellow triangle. Finally, we have block C. It is above block B and block A is above it. It has a medium yellow circle and a medium black triangle. A medium black circle is to the left of a big blue triangle. Below and to the left of the big blue triangle is the medium yellow circle. The medium black triangle is touching the bottom edge of this block. The big blue triangle is touching the right edge of this block. The medium black circle is above the circle which is below the big blue triangle. Near to the medium black triangle there is the medium yellow circle.
What is below the small yellow circle? a medium black circle or a medium yellow circle?
medium black circle  medium yellow circle  both of them none of them