There are two blocks. Lets call them A and B. Block A contains two medium yellow squares. One medium blue square and a medium black square are also in this block. Medium yellow square number one is below the medium black square and the medium blue square. Medium yellow square number two is below the medium black square. Medium yellow square number one is touching the bottom edge of this block. The medium blue square is below the medium black square. This object is below medium yellow square number two. To the right of block A there is block B. It contains a medium black square.
Which object is to the left of a medium black square? medium yellow square number two or the medium yellow square that is touching the bottom edge of a block?
medium yellow square  number two the medium yellow square  that is touching the bottom edge of a block  both of them none of them