We have three blocks. Lets call them A, B and C. There is a medium blue square in block A. Block B is to the right of block A. It has one medium yellow square and a medium blue square. There is also one medium black square in this block. This shape is below the medium blue square. The medium yellow square is touching the bottom edge of this block. It is below the medium blue square and the medium black square. Below block B there is block C. It contains two medium blue squares. Medium blue square number one is touching the bottom edge of this block. It is below medium blue square number two.
Which object is below a medium blue 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