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