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