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