We have three blocks, A, B and C. Block A contains one medium black square and a medium yellow square. The medium black square is below the medium yellow square. There is also a medium blue square touching the bottom edge of this block. The medium blue square is below the medium black square. This shape is below the medium yellow square. Block B is to the left of block A. It has one medium black square. Above block B there is block C with one medium blue square in it.
Which object is below a medium square? the medium black square that is in block B or the medium black square which is in block A?
the medium black square  that is in block B the medium black square  which is in block A both of them none of them