We have three blocks. We call them A, B and C. Block C is below blocks A and B. Block A has one medium black square. Block B has one medium yellow square. Block C contains two medium black squares. Medium black square number one is below medium black square number two. Below medium black square number one and medium black square number two is a medium yellow square.
Which object is below a medium yellow square? the medium black square that is in block A or medium black square number one?
the medium black square  that is in block A medium black square  number one both of them none of them