There are two blocks, A and B. Block A is below B. Block A contains a medium yellow square, a medium black square and one medium blue square. The medium yellow square is below the medium blue square and the medium black square. The medium black square is below the medium blue square. Block B has a medium blue square. A medium black square is touching the bottom edge of this block. It is below the medium blue square.
Which object is below a medium blue square? the medium black square that is touching the bottom edge of a block or the medium black square that is in block A?
the medium black square  that is touching the bottom edge of a block  the medium black square  that is in block A both of them none of them