We have two blocks. Lets call them A and B. Block A is to the left of B. Block A has one medium black square and one medium blue square. The medium black square is touching the bottom edge of this block. It is below the medium blue square. Block B contains one medium black square, one medium yellow square and one medium blue square. The medium yellow square is below the medium blue square. Below the medium yellow square and the medium blue square there is the medium black square.
What is to the left of the yellow thing? a medium blue square or a black shape which is touching the bottom edge of a block?
medium blue square  black shape which is touching the bottom edge of a block  both of them none of them