There are three blocks, A, B and C. Block B is below and C is above A. Block A has a medium yellow square. A medium black square is below the medium yellow square. Block B contains one medium black square. A medium blue square is touching the bottom edge of this block. This shape is below the medium black square. Block C contains a 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