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