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