There are two blocks. Lets call them A and B. Block A is to the right of B. Block A contains two medium blue squares. Below medium blue square number two there is medium blue square number one. Block B contains a medium blue square, one medium yellow square and one medium black square. The medium blue square is below the medium black square. Below the medium black square is the medium yellow square. Below the medium yellow square there is the medium blue square.
Which object is to the left of a medium blue square? the medium yellow square or the medium black square?
the medium yellow square  the medium black square  both of them none of them