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