We have three blocks, A, B and C. Block C is below blocks A and B. Block A contains a medium yellow square. The medium yellow square is touching the bottom edge of this block. This block also has a medium blue square. The medium yellow square is below the medium blue square. Block B contains a medium black square. Below a medium yellow square there is the medium black square. Block C has one medium yellow square.
Which object is above a medium yellow square? the medium yellow square which is in block B or the medium yellow square that is touching the bottom edge of a block?
the medium yellow square  which is in block B the medium yellow square  that is touching the bottom edge of a block  both of them none of them