### ADI Observation
```graphviz
digraph hierarchy {
nodesep=1.0 // increases the separation between nodes
node [color=Red,fontname=Courier,shape=box] //All nodes will this shape and colour
edge [color=Blue, style=dashed] //All the lines look like this
"ADI? (Observation)"->{"Yes and here they are" NO "??Unknown??"}[ label=".value" ]
"Yes and here they are"->{"ADI1=Living Will (DocumentReference)" "ADI2=POLST (DocumentReference)"}[ label=".focus vs supportingInfo extension?" ]
"ADI1=Living Will (DocumentReference)"->"Verifier" [ label=".authenticator"]
"ADI1=Living Will (DocumentReference)"->"Verification Date" [ label="DocumentReference.attester.time extension?"]
"ADI1=Living Will (DocumentReference)"->"ADI Author" [ label=".author"]
"ADI1=Living Will (DocumentReference)"->"Advance Healthcare Directive Categories Grouper" [ label=".category"]
"ADI1=Living Will (DocumentReference)"->"Advance Directives Content Type" [ label="content.format"]
"ADI1=Living Will (DocumentReference)"->"ADI Document itself" [ label=".content.attachment"]
}
```