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? medium black square number one or medium black square number two?
medium black square  number one medium black square  number two both of them none of them