We have two blocks. We call them A and B. Block A is above B. Block A contains one medium blue square and one medium yellow square. The medium blue square is below the medium yellow square. Block B contains two medium black squares. Medium black square number one is below a medium yellow square and medium black square number two. Below medium black square number two is the medium yellow square.
Which object is below a medium yellow square? medium black square number two or medium black square number one?
medium black square  number two medium black square  number one both of them none of them