We have three blocks. We call them A, B and C. There is a medium black square in block A. To the left of block A we have block B. It has 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. Below block A there is block C with one medium blue square and one medium yellow square in it. The medium blue square is touching the bottom edge of this block. It is below the medium yellow square.
What is to the left of the black shape? a medium yellow square or a medium blue square?
medium yellow square  medium blue square  both of them none of them