We have three blocks, A, B and C. One medium yellow square and one medium blue square are in block A. A medium black square is touching the bottom edge of this block. Below the medium blue square is the medium yellow square. Below the medium blue square and the medium yellow square there is the medium black square. Block B is below block A. It has one medium yellow square and a medium black square. The medium yellow square is below the medium black square. Above block B there is block C with a medium yellow square in it.
Which object is above a medium black square? the medium yellow square that is in block A or the medium yellow square which is in block C?
the medium yellow square  that is in block A the medium yellow square  which is in block C both of them none of them