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