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