What is the spatial relation betweeen the green block and the orange block?
(A) The green block is directly above the orange block, and they are in the same stack.
(B) The green block is directly below the orange block, and they are in the same stack.
(C) The green block and the orange block are at different stacks.
(D) At least one of the green block and the orange block does not exist in the presented configurations.