There are two blocks. Lets call them A and B. Block A is below B. Block A contains two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. Below a medium black square is medium yellow square number two. Below the medium shape which is below the medium black square is medium yellow square number one. This object is below the medium black square. Block B has a medium yellow square. The medium yellow square is below a medium blue square.
Which object is below a medium square? the thing that is touching the bottom edge of a block or the medium blue square?
the thing that is touching the bottom edge of a block  the medium blue square  both of them none of them