There are three blocks, A, B and C. Block A has a medium blue square. Block B is below block A. It has one medium yellow square and a medium blue square. The medium yellow square is touching the bottom edge of this block. This shape is below the medium blue square. Finally, we have block C. It is above block A. It contains a medium blue square and one medium black square. Below the medium black square there is the medium blue square.
Which object is below a medium square? the medium blue square that is in block B or the medium blue square that is in block A?
the medium blue square  that is in block B the medium blue square  that is in block A both of them none of them