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