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