There are three blocks. Lets call them A, B and C. There is one medium black square in block A. Below block A there is block B. It contains one medium black square. Above block B there is block C with two medium yellow squares in it. Medium yellow square number one is touching the bottom edge of this block. It is below medium yellow square number two and a medium blue square. Below medium yellow square number two there is the medium blue square.
Which object is below a medium yellow square? the medium yellow square that is touching the bottom edge of a block or the blue object?
the medium yellow square  that is touching the bottom edge of a block  the blue object both of them none of them