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