There are three blocks. We call them A, B and C. A medium black square is in block A. To the right of block A there is block B with a medium black square in it. Above block B there is block C which has two medium yellow squares. It also has a medium blue square. Medium yellow square number two is below the medium blue square. Medium yellow square number one is below the medium blue square and medium yellow square number two.
Which object is below a medium square? medium yellow square number one or medium yellow square number two?
medium yellow square  number one medium yellow square  number two both of them none of them