We have three blocks. We call them A, B and C. Block B is below A. Block A is below C. Block A has 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 medium yellow square number two , the medium black square and a medium blue square is medium yellow square number one. Below the medium black square there is the medium blue square. Block B has a medium yellow square. And block C contains one medium blue square.
Which object is above a medium yellow square? the black object or the thing that is touching the bottom edge of a block?
the black object the thing that is touching the bottom edge of a block  both of them none of them