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