There are three blocks. We call them A, B and C. Block B is to the right of and A is below C. Block A has one medium yellow square. Block B has one small black triangle. A medium black triangle is above and to the left of a big black circle. It is below the small black triangle. Block C contains one big yellow triangle. The big yellow triangle is touching the right edge of this block. To the right of a medium blue square there is a big black square. Above and to the left of the medium blue square is a medium black triangle.. The big black square is near to the medium black triangle. Below and to the right of the triangle which is above the medium blue square is the big yellow triangle.
Which object is to the left of a big black object? the small black triangle or the blue square?
the small black triangle  the blue square  both of them none of them