There are two blocks, A and B. Block A has one medium black square. Below block A there is block B with three medium blue squares in it. There is also a medium yellow square in this block. It is below medium blue square number three. Medium blue square number one is touching the bottom edge of this block. It is below medium blue square number two and the medium yellow square. Below medium blue square number three and the medium yellow square is medium blue square number two.
What is below the black thing? a medium blue square or a yellow object?
medium blue square  yellow object both of them none of them