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