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