There are three blocks. Lets call them A, B and C. Block A has one medium yellow square. Below block A we have block B. It contains a medium blue square and one medium black square. The medium blue square is touching the bottom edge of this block. It is below the medium black square. To the right of block B there is block C which contains two medium black squares. One medium blue square is also touching the bottom edge of this block. The medium blue square is below medium black square number two and medium black square number one. Medium black square number one is below medium black square number two.
Which object is below a medium black square? medium black square number one or the medium black square that is in block B?
medium black square  number one the medium black square  that is in block B both of them none of them