There are two blocks. We call them A and B. Block A is to the right of B. Block A has four medium black squares. Below medium black square number three , medium black square number four and medium black square number two is medium black square number one. Below medium black square number four and medium black square number three there is medium black square number two. Block B has one medium yellow square and a medium blue square. The medium yellow square is below the medium blue square.
What is to the right of the yellow thing? a medium black square number four or a medium black square number three?
medium black square  number four medium black square  number three both of them none of them