We have two blocks, A and B. Block A contains a medium black square. Above block A is block B. It has two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. It is below a medium black square and a medium blue square. Below the medium black square and medium yellow square number two is the medium blue square. The medium black square is below medium yellow square number two.
Which object is below a medium yellow square? the blue object or the medium yellow square that is touching the bottom edge of a block?
the blue object the medium yellow square  that is touching the bottom edge of a block  both of them none of them