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