There are two blocks. Lets call them A and B. Block A is above B. Block A contains a medium yellow square. Block B has three medium black squares. Below medium black square number two is medium black square number one. Medium black square number two is below medium black square number three. A medium blue square is below medium black square number one , medium black square number three and medium black square number two.
What is below the yellow shape? a medium blue square or a medium black square?
medium blue square  medium black square  both of them none of them