There are three blocks. We call them A, B and C. Block C is below A. Block B is to the left of C. Block A has two medium black squares. Below medium black square number two is medium black square number one. Block B contains one medium yellow square and a medium blue square. Below the medium blue square is the medium yellow square. And block C has two medium yellow squares. Below a medium black square and medium yellow square number two is medium yellow square number one. Medium yellow square number two is below the medium black square.
Which object is below a medium black 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