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