There are three blocks, A, B and C. Block A has two small blue squares. Small blue square number one is below and to the right of a small black circle which is to the left of a medium yellow square and small blue square number two. Then, there is block B which has one small blue triangle. Block C is to the left of block B. Block A is to the right of it. It has a small blue triangle.
What is to the left of the black object? a small blue square or a medium yellow square?
small blue square  medium yellow square  both of them none of them