There are three blocks. We call them A, B and C. Block A is below C. Block B is to the left of A. Block A has two medium blue squares. Below medium blue square number two there is medium blue square number one. Block B has a medium blue square and one medium yellow square. Below the medium yellow square there is the medium blue square. And block C has a medium blue square and one medium black square. The medium blue square is touching the bottom edge of this block. This object is below the medium black square.
Which object is above a medium blue square? the medium black square or the yellow shape?
the medium black square  the yellow shape both of them none of them