There are three blocks. We call them A, B and C. A medium blue square and a medium black square are in block A. It also has a medium yellow square. It is below the medium black square. The medium blue square is touching the bottom edge of this block. It is below the medium black square and the medium yellow square. Above block A there is block B which has one medium blue square. Finally, we have block C which is to the left of block A. It contains two medium blue squares. A medium yellow square is touching the bottom edge of this block. Below medium blue square number two there is medium blue square number one. Below medium blue square number two is the medium yellow square. It is below the blue shape which is below medium blue square number two.
Which object is below a medium blue square? the medium blue square which is touching the bottom edge of a block or the medium black square?
the medium blue square  which is touching the bottom edge of a block  the medium black square  both of them none of them