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