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