We have three blocks, A, B and C. Block A contains two medium black squares. Below medium black square number two is medium black square number one. Medium black square number two is below a medium yellow square. Medium black square number one is below the medium yellow square. Then, there is block B with a medium yellow square in it. Finally, above block A we have block C which is above block B. It has one medium yellow square and a medium blue square. The medium yellow square is touching the bottom edge of this block. This shape is below the medium blue square.
What is below the object that is touching the bottom edge of a block? a medium black square number one or a medium black square number two?
medium black square  number one medium black square  number two both of them none of them