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