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