We have two blocks. We call them A and B. Block A has two medium yellow squares. Medium yellow square number one is below medium yellow square number two. One medium black square is also touching the bottom edge of this block. Below medium yellow square number two there is the medium black square. It is below medium yellow square number one. Block B is above block A. It contains a medium black square. There is also one medium yellow square touching the bottom edge of this block. Below the medium black square is the medium yellow square.
Which object is below a medium black square? the medium yellow square that is touching the bottom edge of a block or medium yellow square number one?
the medium yellow square  that is touching the bottom edge of a block  medium yellow square  number one both of them none of them