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