There are three blocks, A, B and C. Block B is below block C and above block A. Block A has one medium yellow square. Block B has two medium yellow squares. Below medium yellow square number two is medium yellow square number one. A medium black square is touching the bottom edge of this block. It is below medium yellow square number two and medium yellow square number one. And block C contains one medium yellow square and one medium blue square. The medium yellow square is touching the bottom edge of this block. It is below the medium blue square.
Which object is above a medium yellow square? the medium black square that is touching the bottom edge of a block or the blue thing?
the medium black square  that is touching the bottom edge of a block  the blue thing both of them none of them