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