As you can see in the diagram, items that are included in subgraph 1 aren't included in subgraph 2. Is there any way to ignore duplicates between subgraphs and include them in both? I can't seem to find any information on this issue.

flowchart TB
A[Object] --> B[Watch]
subgraph Watch [1]
Glass
Hands
Strap
Battery
end
B --> Watch
A --> C[Phone]
subgraph Phone [2]
Glass
Microphone
Speaker
Battery
end
C --> Phone