There are three blocks, A, B and C. Block B is below A and block C is below B. Block A has one medium black square. Block B has two medium black squares. Medium black square number one is below medium black square number two.. A medium yellow square is below medium black square number two and medium black square number one. Block C has a medium blue square.
What is above the blue thing? a medium black square number one or a medium black square that is in block A?
medium black square  number one medium black square  that is in block A both of them none of them