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