We have three blocks. We call them A, B and C. Block A contains a medium yellow square and one medium blue square. Below the medium blue square is the medium yellow square. To the right of block A is block B with one medium yellow square in it. Finally, we have block C which is below block B. It contains a medium yellow square. This block also has a medium black square. Below the medium yellow square there is the medium black square.
Which object is below a medium yellow square? the blue object or the black thing that is touching the bottom edge of a block?
the blue object the black thing that is touching the bottom edge of a block  both of them none of them