There are three blocks, A, B and C. Block C is below block B and it is above block A. Block A contains one medium blue square. Block B has one medium blue square. And block C contains two medium black squares. Below medium black square number two is medium black square number one.. It also has a medium blue square. The medium blue square is below medium black square number one. This object is below medium black square number two.
Which object is below a medium blue square? medium black square number two or medium black square number one?
medium black square  number two medium black square  number one both of them none of them