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