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