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? medium blue square number three or medium blue square number two?
medium blue square  number three medium blue square  number two both of them none of them