We have two blocks, A and B. Block A contains a medium black triangle. Below the medium black triangle is a small black square. Below block A there is block B. It has a medium black square, one medium blue triangle and one small yellow square. The medium black square is near to and below the small yellow square. The medium blue triangle is below the small yellow square.
Which object is below a small black square? the medium black triangle or the blue object?
the medium black triangle  the blue object both of them none of them