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