We have two blocks, A and B. Block A is below B. Block A contains a medium black square and one medium blue square. The medium black square is below the medium blue square. Block B has two medium yellow squares. It also has a medium black square. Below medium yellow square number one and medium yellow square number two there is the medium black square. Medium yellow square number one is below medium yellow square number two.
What is above the object which is touching the bottom edge of a block? a medium blue square or a medium black square?
medium blue square  medium black square  both of them none of them