We have three blocks. We call them A, B and C. Block A is to the left of B and block B is above C. Block A contains one medium blue square. A medium black square is also touching the bottom edge of this block. The medium black square is below the medium blue square. Block B has one medium blue square. Block C contains one medium blue square and a medium black square. The medium blue square is below the medium black square.
Which object is below a medium blue square? the medium black square which is touching the bottom edge of a block or the medium black square that is in block C?
the medium black square  which is touching the bottom edge of a block  the medium black square  that is in block C both of them none of them