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