We have three blocks. We call them A, B and C. Block B is below block A and to the right of block C. Block A has one medium yellow square and one medium blue square. The medium yellow square is touching the bottom edge of this block. It is below the medium blue square. Block B contains a medium black square. Below the medium black square there is a medium blue square. And block C contains one medium blue square.
Which object is below a medium square? the medium blue square which is in block B or the medium blue square that is in block A?
the medium blue square  which is in block B the medium blue square  that is in block A both of them none of them