We have three blocks. Lets call them A, B and C. Block A contains one big yellow square. Block B is below block A. It contains a small yellow triangle and one small black square. Above the small black square there is the small yellow triangle. Below block A there is block C. It has one medium black square. One small blue triangle is also touching the right edge of this block. To the right of and below the medium black square is the small blue triangle.
What is below the yellow square? a medium object or a small black square?
medium object small black square  both of them none of them