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