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