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