There are three blocks, A, B and C. Block A has one medium yellow square and one small black square. The medium yellow square is touching the right edge of this block. This object is below and to the right of the small black square. Above block A there is block B. It has one small yellow triangle and one big black square. The small yellow triangle is near to the big black square. Finally, we have block C. It is to the right of block B. It contains a medium yellow triangle. There is also a medium black circle touching the right edge of this block. The medium black circle is below and to the right of the medium yellow triangle.
What is below the small yellow triangle? a medium yellow triangle or a medium yellow square?
medium yellow triangle  medium yellow square  both of them none of them