We have three blocks. We call them A, B and C. Block C is below and A is to the left of B. Block A has a medium black square. Block B contains one medium yellow square. And block C contains two medium yellow squares. This block also has a medium black square. Below the medium black square there is medium yellow square number two. Medium yellow square number one is below the medium black square and medium yellow square number two.
Which object is below a medium black square? medium yellow square number two or the medium yellow square that is in block B?
medium yellow square  number two the medium yellow square  that is in block B both of them none of them