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.
Which object is above a medium black square? medium black square number one or the medium black square that is in block A?
medium black square  number one the medium black square  that is in block A both of them none of them