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