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