We have three blocks. Lets call them A, B and C. Block C is above block B and below block A. Block A has one medium yellow square. Block B contains a medium black square and one medium yellow square. The medium black square is below the medium yellow square. Block C has three medium yellow squares. This block also contains one medium black square. Below medium yellow square number two , medium yellow square number one and medium yellow square number three is the medium black square. Medium yellow square number one is below medium yellow square number two and medium yellow square number three.
What is above the thing that is touching the bottom edge of a block? a medium yellow square that is in block B or a medium yellow square number three?
medium yellow square  that is in block B medium yellow square  number three both of them none of them