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