There are two blocks, A and B. Block A contains one small blue circle and a small black circle. The small blue circle is below a medium blue square and the small black circle. A medium black square is also in this block. Above the medium black square is the medium blue square. Block B is to the right of block A. It contains a big blue circle.
Which object is to the left of a blue circle? the small black circle or the medium blue square?
the small black circle  the medium blue square  both of them none of them