We have two blocks. We call them A and B. Block A is to the left of B. Block A has two medium yellow squares. Below medium yellow square number two and a medium black square there is medium yellow square number one.. Below medium yellow square number two is the medium black square. Block B has two medium black squares. Medium black square number one is touching the bottom edge of this block. This object is below medium black square number two.
Which object is to the left of a medium black square? medium black square number two or the medium black square that is in block A?
medium black square  number two the medium black square  that is in block A both of them none of them