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