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