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