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