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