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