We have three blocks. Lets call them A, B and C. Block B is to the right of and C is below A. Block A has a medium black triangle. Block B contains a medium blue square and one big black square. Above and to the left of the big black square is the medium blue square. Block C contains a medium black triangle and one small black square. The medium black triangle is touching the bottom edge of this block. Above the medium black triangle and the small black square is a medium yellow circle.
Which object is to the left of a black square? the small object or the medium blue square?
the small object the medium blue square  both of them none of them