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.
What is below the black shape? a medium yellow square number two or a medium yellow square number one?
medium yellow square  number two medium yellow square  number one both of them none of them