There are a medium black square, a medium black triangle and a big black triangle in a block. A medium yellow square is to the left of the medium black triangle. Above a medium yellow triangle is a small yellow square. Below the big black triangle is the medium black square. Above and to the right of the medium yellow triangle there is the medium black triangle.
What is to the right of the medium yellow triangle? a medium yellow square or a medium black triangle?
medium yellow square  medium black triangle  both of them none of them