We have two blocks, A and B. There are a medium yellow circle, a big blue circle and a big blue square in block A. Above the big blue circle is the medium yellow circle. To the right of the big blue square is the big blue circle. The medium yellow circle is to the right of and above the big blue square. The big blue square is touching the bottom edge of this block. Block B is to the right of block A. It has a medium yellow circle and one medium black square. Above and to the left of a small yellow circle is a small blue triangle. To the left of the small yellow circle there is the medium yellow circle. It is near to the triangle which is above the small yellow circle. Below the small yellow circle there is the medium black square.
Which object is to the left of a medium yellow circle? the black square or the small blue triangle?
the black square  the small blue triangle  both of them none of them