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