We have three blocks, A, B and C. Block A contains a medium yellow square. To the left of block A there is block B with two medium blue squares in it. Medium blue square number one is below medium blue square number two. Finally, we have block C which is to the left of block A. It has two medium blue squares. This block also contains one medium black square. Below the medium black square and medium blue square number two there is medium blue square number one. Below the medium black square there is medium blue square number two.
What is to the left of the yellow object? a medium blue square or a black object?
medium blue square  black object both of them none of them