There are three blocks. Lets call them A, B and C. A medium yellow square is in block A. Block B is to the right of block A. It has one medium black square. Above block A there is block C with four medium blue squares in it. Medium blue square number one is touching the bottom edge of this block. Medium blue square number two is below medium blue square number three and medium blue square number four. Medium blue square number three is below medium blue square number four. Medium blue square number one is below medium blue square number three and medium blue square number four.
What is above the yellow object? a medium blue square or a black object?
medium blue square  black object both of them none of them