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