There are two blocks, A and B. There are two medium yellow squares in block A. A big blue triangle is also touching the bottom edge of this block. This block also has a big black triangle. A small yellow circle is touching the bottom edge of this block. This object is near to and to the left of medium yellow square number one which is to the right of and near to medium yellow square number two. It is below medium yellow square number two. Block B is below block A. It has one medium black triangle, a big black square and one medium yellow square. Near to the medium yellow square and the big black square is a medium yellow triangle. There is also one small black circle touching the bottom edge of this block. The medium black triangle is above the small black circle.. The big black square is touching the right edge of this block. The medium yellow square is touching the top edge of this block.. The big black square is to the right of and below the medium yellow square. It is above the small black circle.
What is above the big black square? a medium yellow triangle or a big black triangle?
medium yellow triangle  big black triangle  both of them none of them