We have two blocks, A and B. There is a medium blue square in block A. Block B is below block A. It contains two medium black squares. This block also has a medium yellow square. Below medium black square number two which is below a medium blue square there is the medium yellow square. Medium black square number one is below the medium blue square. It is below the medium black square number two.. Below medium black square number one there is the medium yellow square.
Which object is below a medium blue square? medium black square number one or medium black square number two?
medium black square  number one medium black square  number two both of them none of them