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