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