We have three blocks. We call them A, B and C. Blocks C and B are to the left of A. Block A contains one medium yellow square. Block B has one medium blue square. Block C contains two medium black squares. Medium black square number one is touching the bottom edge of this block. It is below a medium blue square and medium black square number two. The medium blue square is below medium black square number two.
Which object is to the left of a medium square? medium black square number two or the medium black square that is touching the bottom edge of a block?
medium black square  number two the medium black square  that is touching the bottom edge of a block  both of them none of them