There are three blocks, A, B and C. A medium yellow square and one medium blue square are in block A. Below the medium blue square there is the medium yellow square. Block B is below block A. It contains two medium yellow squares. Below medium yellow square number two is medium yellow square number one. A medium blue square is touching the bottom edge of this block. It is below medium yellow square number one and medium yellow square number two. Finally, we have block C. It is below block B. It has a medium black square.
What is above the object that is touching the bottom edge of a block? a medium blue square or a black shape?
medium blue square  black shape both of them none of them