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