We have three blocks. Lets call them A, B and C. Block A is below B and block C is below A. Block A contains two medium black squares. Below medium black square number two there is medium black square number one. Block B contains one medium blue square. Block C contains three medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. Medium yellow square number two is below medium yellow square number three. Below medium yellow square number two and medium yellow square number three is medium yellow square number one.
What is below the blue shape? a medium black square or a medium yellow square that is touching the bottom edge of a block?
medium black square  medium yellow square  that is touching the bottom edge of a block  both of them none of them