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