We have three blocks. We call them A, B and C. Block A is to the left of B. Block B is below C. Block A has two medium black squares. Medium black square number one is below medium black square number two. Block B has one medium black square and one medium yellow square. The medium black square is touching the bottom edge of this block. This shape is below the medium yellow square. And block C has one medium black square.
What is to the left of the yellow thing? a medium black square number two or a medium black square that is touching the bottom edge of a block?
medium black square  number two medium black square  that is touching the bottom edge of a block  both of them none of them