There are three blocks. Lets call them A, B and C. Block B is below block C and it is above block A. Block A contains one medium black square. One medium blue triangle is also in this block. The medium blue triangle is near to the medium black square. Block B has a medium yellow square. A big black square is below and to the right of the medium yellow square. And block C has one small black triangle and one medium black triangle. The small black triangle is to the right of and near to the medium black triangle.
Which object is below a medium black triangle? the medium black square or the small black triangle?
the medium black square  the small black triangle  both of them none of them