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