We have three blocks. We call them A, B and C. Block B is to the left of block A and above block C. Block A has two medium black squares. Below medium black square number two there is medium black square number one. Block B contains one medium blue square. And block C contains one medium black square and one medium blue square. The medium black square is below the medium blue square.
Which object is below a medium blue square? medium black square number two or the medium black square which is in block C?
medium black square  number two the medium black square  which is in block C both of them none of them