We have two blocks, A and B. Block A has two medium blue squares. A medium yellow square is below medium blue square number two. Below the square which is below medium blue square number two there is medium blue square number one. It is touching the bottom edge of this block. It is below medium blue square number two. Above block A we have block B which contains a medium yellow square. A medium black square is below the medium yellow square.
What is below the black object? a medium yellow square which is in block A or a medium yellow square which is in block B?
medium yellow square  which is in block A medium yellow square  which is in block B both of them none of them