We have two blocks. We call them A and B. Block A has a medium blue triangle and a small black square. This block also has a small blue triangle. To the left of the small black square is the medium blue triangle. The small black square is touching the right edge of this block. Above, far from and to the left of the small blue triangle is the medium blue triangle. Block B is above block A. It contains a small blue triangle, one medium yellow triangle and a medium yellow square. The small blue triangle is near to, above and to the left of the medium yellow triangle.
Which object is below a small blue triangle? the medium blue triangle or the medium yellow square?
the medium blue triangle  the medium yellow square  both of them none of them