There are a small yellow square, one medium black square and a small black square in a block. A big blue square is touching the bottom edge of this block. The medium black square is touching the bottom edge of this block. There is also a small yellow triangle in this block. To the left of the small black square is the small yellow square. The big blue square is below the small yellow triangle.. The small yellow square is below, to the right of and near to the small yellow triangle.
What is below the triangle? a small black square or a small yellow square?
small black square  small yellow square  both of them none of them