We have two blocks. We call them A and B. Block A is above B. Block A has a big black triangle and a small blue square. A big yellow triangle is touching the left edge of this block. It is to the left of the small blue square and the big black triangle. The big black triangle is touching the right edge of this block. This object is above the small blue square. Block B contains a big yellow triangle and a small blue triangle. One medium yellow triangle is also touching the bottom edge of this block. The small blue triangle is touching the right edge of this block. The medium yellow triangle is below the big yellow triangle and the small blue triangle.
Which object is below a big yellow triangle? the small square or the medium object that is touching the bottom edge of a block?
the small square  the medium object that is touching the bottom edge of a block  both of them none of them