There are three blocks, A, B and C. One medium blue square is in block A. Then, we have block B which has two medium yellow squares. Medium yellow square number one is below medium yellow square number two. Block C is below block A and to the right of block B. It has a medium black square. This block also has one medium yellow square. Below the medium yellow square is the medium black square.
What is to the left of the black object? a medium yellow square or a medium blue square?
medium yellow square  medium blue square  both of them none of them