There are two blocks, A and B. Block A is above B. Block A has one medium blue square. A big blue triangle is touching the right edge of this block. The medium blue square is touching the bottom edge of this block. This block also contains a small blue square. The big blue triangle is near to the medium blue square.. To the left of and above the medium blue square is the small blue square. Block B contains a big black square. It also contains a small black circle and one small yellow triangle. The small black circle is to the right of and touching the small yellow triangle. The big black square is touching the bottom edge of this block. It is below the small yellow triangle.
What is below the shape which is touching the right edge of a block? a big black square or a small yellow object?
big black square  small yellow object both of them none of them