We have two blocks. We call them A and B. There are two medium blue squares and two other medium black squares in block A. Medium blue square number one is touching the bottom edge of this block. Below medium blue square number two is medium black square number one. This shape is below medium black square number two. Medium blue square number one is below medium blue square number two , medium black square number two and medium black square number one. Above block A is block B. It contains one medium blue 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