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