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