We have three blocks. Lets call them A, B and C. Block C is to the left of A and block A is above B. Block A contains a medium yellow square. Block B contains two medium black squares. A medium blue square is also in this block. Medium black square number two is below the medium blue square. Below medium black square number two and the medium blue square is medium black square number one. And block C contains two medium black squares. Medium black square number one is below medium black square number two.
What is to the left of the yellow object? a blue object or a medium black square?
blue object medium black square  both of them none of them