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