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