We have three blocks, A, B and C. There are two medium black squares in block A. Medium black square number one is below medium black square number two. Then, we have block B. It has two medium blue squares. Below medium blue square number two is medium blue square number one. Below block B and above block A there is block C. It contains a medium black square and a medium yellow square. Below the medium yellow square there is the 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