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