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