We have three blocks. Lets call them A, B and C. Block A is to the left of C. Block B is above A. Block A has one medium yellow square and a medium black square. Below the medium black square is the medium yellow square. Block B has a medium blue square. A medium yellow square is below the medium blue square. Block C has one medium black square.
What is below the blue object? a medium black square which is in block A or a medium black square that is in block C?
medium black square  which is in block A medium black square  that is in block C both of them none of them