We have three blocks, A, B and C. Block B is to the right of and A is above C. Block A contains one medium blue circle. Block B has one big black circle. And block C has one medium blue circle, one medium yellow square and one small black square. A small blue circle and a small blue square are also in this block. The medium yellow square is touching the bottom edge of this block. The small blue circle is below the small blue square and the small black square. To the right of the small blue square there is the medium blue circle.
What is to the left of the black circle? a small blue square or a small black square?
small blue square  small black square  both of them none of them