We have three blocks. Lets call them A, B and C. Block B is above C. Block C is below A. Block A contains a medium blue square and one medium black square. The medium blue square is below the medium black square. Block B contains a medium yellow square. And block C contains three medium black squares. Below medium black square number three and medium black square number two is medium black square number one. Below medium black square number three is medium black square number two.
Which object is below a yellow object? medium black square number one or medium black square number three?
medium black square  number one medium black square  number three both of them none of them