There are three blocks, A, B and C. A medium black square and one medium yellow square are in block A. The medium black square is touching the bottom edge of this block. This shape is below the medium yellow square. Block B is to the right of block A. It contains a medium blue square. Above block A there is block C. It has one medium yellow square and a medium blue square. Below the medium blue square there is the medium yellow square.
Which object is above a medium square? the medium yellow square which is in block A or the medium yellow square that is in block C?
the medium yellow square  which is in block A the medium yellow square  that is in block C both of them none of them