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