## Relationship has - reporting_agent_has_observed_agent

### Card of relationship has

Entity 1 | reporting agent
Name | has
Entity 2 | observed agent
Code | reporting_agent_has_observed_agent
Comment | The observed agent is either a branch of the reporting agent or it is the reporting agent itself.
Dependent Role | observed agent -> reporting agent
Entity 1 -> Entity 2 Role Cardinality | 1,n
Entity 2 -> Entity 1 Role Cardinality | 1,1
Dominant Role | <None>
Assertion | Each reporting agent must have one or more observed agent. Each observed agent must have one and only one reporting agent.

### List of relationship joins of the relationship has

Parent Attribute | Child Attribute
reporting agent identifier | reporting agent identifier

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