We have three blocks, A, B and C. Block A has two medium blue squares. This block also has one medium yellow square. It is below medium blue square number two. Medium blue square number one is below medium blue square number two and the medium yellow square. Then, there is block B with a medium black square and a medium blue square in it. The medium black square is touching the bottom edge of this block. It is below the medium blue square. Finally, to the left of block B we have block C. It is above block A. It has three medium blue squares. Medium blue square number one is below medium blue square number three. Medium blue square number two is below medium blue square number three. Medium blue square number one is touching the bottom edge of this block. It is below the medium blue square number two.
What is to the left of the black thing? a medium blue square or a yellow object?
medium blue square  yellow object both of them none of them