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