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