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