There are three blocks. We call them A, B and C. Block A has a medium black square. To the right of block A we have block B. It contains two medium yellow squares. One medium black square is also in this block. It is below medium yellow square number two. Medium yellow square number one is below medium yellow square number two and the medium black square. To the right of block A there is block C with a medium black square and one medium blue square in it. The medium black square is below the medium blue square.
Which object is below a medium yellow square? the medium black square that is in block A or the medium black square that is in block B?
the medium black square  that is in block A the medium black square  that is in block B both of them none of them