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