There are three blocks. Lets call them A, B and C. Blocks C and A are above B. Block A has one medium blue square. Block B contains one medium black square. Below the medium black square there is a medium yellow square. Block C contains two medium yellow squares. A medium black square is also touching the bottom edge of this block. Below medium yellow square number one and medium yellow square number two is the medium black square. Below medium yellow square number two is medium yellow square number one.
Which object is below a medium yellow square? the medium black square that is in block B or the object that is touching the bottom edge of a block?
the medium black square  that is in block B the object that is touching the bottom edge of a block  both of them none of them