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