There are two blocks, A and B. A medium black square is in block A. Block B is below block A. It contains two small blue triangles. Small blue triangle number one is below small blue triangle number two. This shape is above a medium black triangle. A medium yellow square is to the left of the medium black triangle. It is to the right of and below small blue triangle number one.
Which object is above a small blue triangle? the medium black square or the medium black triangle?
the medium black square  the medium black triangle  both of them none of them