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