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