There are two blocks, A and B. There are two medium black squares and two other medium blue squares in block A. Medium black square number one is below medium blue square number two. Below medium blue square number two is medium black square number two. Medium blue square number one is below medium black square number two and medium blue square number two. Below the blue object which is below medium blue square number two is medium black square number one. Block B is below block A. It contains one medium black square.
Which object is above a medium black square? medium blue square number two or medium blue square number one?
medium blue square  number two medium blue square  number one both of them none of them