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