There are three blocks. We call them A, B and C. There is one big black circle in block A. A medium yellow triangle is also in this block. Above and to the right of the medium yellow triangle is the big black circle. Then, we have block B which has one small yellow square. Block C is to the right of block A and block B is to the left of it. It contains one small yellow triangle. It also has a small black square. The small black square is below the small yellow triangle.
Which object is to the left of a small black square? the small yellow square or the small yellow triangle?
the small yellow square  the small yellow triangle  both of them none of them