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