We have three blocks, A, B and C. One medium yellow square is in block A. To the right of block A we have block B. It has one medium blue square and a medium yellow square. It also contains one medium black square. The medium blue square is touching the bottom edge of this block. It is below the medium yellow square and the medium black square. Below the medium black square there is the medium yellow square. Finally, there is block C which is above block B. It contains a medium yellow square.
Which object is below a medium yellow square? the medium blue square that is touching the bottom edge of a block or the black object?
the medium blue square  that is touching the bottom edge of a block  the black object both of them none of them