There are two blocks, A and B. Block A contains a medium black square. Above block A is block B. It has two medium blue squares. Medium blue square number one is touching the bottom edge of this block. Medium blue square number two is below a medium black square. Below the medium black square there is medium blue square number one. This block also contains a medium yellow square. This object is below the medium black square. Medium blue square number one is below medium blue square number two and the medium yellow square.
Which object is above a medium black square? the blue object that is touching the bottom edge of a block or the yellow object?
the blue object that is touching the bottom edge of a block  the yellow object both of them none of them