We have two blocks. We call them A and B. There are two medium blue squares in block A. Below medium blue square number two is medium blue square number one. Above block A we have block B. It has two medium black squares. Medium black square number one is touching the bottom edge of this block. There is also one medium yellow square in this block. It is below medium black square number two. Medium black square number one is below medium black square number two and the medium yellow square.
Which object is below a medium black square? medium blue square number one or medium blue square number two?
medium blue square  number one medium blue square  number two both of them none of them