We have three blocks, A, B and C. Block C is below A and block B is above C. Block A has a medium yellow square. Block B contains one medium blue square. Block C has two medium black squares. Medium black square number one is below medium black square number two. One medium blue square is also touching the bottom edge of this block. Below medium black square number two is the medium blue square. It is below medium black square number one.
What is below the yellow object? a medium black square number two or a medium black square number one?
medium black square  number two medium black square  number one both of them none of them