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